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Number Theory Foundation

  • Hanover, NH
  • Tax-exempt since Feb. 2001
  • EIN: 74-2913961

Organization summary

Type of Nonprofit

Designated as a Organizations for any of the following purposes: religious, educational, charitable, scientific, literary, testing for public safety, fostering national or international amateur sports competition (as long as it doesn't provide athletic facilities or equipment), or the prevention of cruelty to children or animals.

Category: Education N.E.C. (NTEE)

Donations to this organization are tax deductible.

Summary charts: organization finances over time

Revenue
$1.28k (2023)

Expenses
$62.4k (2023)

Total Assets
$44.5k (2023)

Total Liabilities
$0 (2023)

Source: Form 990 tax filings from 2011 to 2023

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Fiscal Year Ending Dec.
2023

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$1,281
Expenses
$62,383
Net Income
-$61,102
Net Assets
$44,527
Notable Sources of Revenue Percent of Total Revenue
Contributions $1,281
100%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $44,527
Total Liabilities $0
Net Assets $44,527
Compensation
Key Employees and Officers Compensation Other
Andrew Sutherland (President) $0 $0
Michael Bennett (Vice President) $0 $0
John Voight (Treasurer) $0 $0
Carl Pomerance (Secretary) $0 $0
Jennifer Balakrishnan (Director) $0 $0
Richard Blecksmith (Director) $0 $0
John Brillhart (Director) $0 $0
Brian Conrey (Director) $0 $0
Chantal David (Director) $0 $0
Harold Diamond (Director) $0 $0
Kevin Ford (Director) $0 $0
Lillian Pierce (Director) $0 $0
Bruce Reznick (Director) $0 $0
Renate Scheidler (Director) $0 $0
Alice Silverberg (Director) $0 $0
Samuel Wagstaff Jr (Director) $0 $0
Melanie Matchett Wood (Director) $0 $0
Hugh Williams (Director) $0 $0
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Document Links

990-EZ
Filed on March 15, 2024

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2022

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$20
Expenses
$52,430
Net Income
-$52,410
Net Assets
$105,629
Notable Sources of Revenue Percent of Total Revenue
Contributions $20
100%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $105,629
Total Liabilities $0
Net Assets $105,629
Compensation
Key Employees and Officers Compensation Other
Andrew Sutherland (President) $0 $0
Michael Bennett (Vice President) $0 $0
John Voight (Treasurer) $0 $0
Carl Pomerance (Secretary) $0 $0
Jennifer Balakrishnan (Director) $0 $0
Richard Blecksmith (Director) $0 $0
John Brillhart (Director) $0 $0
Brian Conrey (Director) $0 $0
Chantal David (Director) $0 $0
Harold Diamond (Director) $0 $0
Kevin Ford (Director) $0 $0
Lillian Pierce (Director) $0 $0
Bruce Reznick (Director) $0 $0
Renate Scheidler (Director) $0 $0
Alice Silverberg (Director) $0 $0
Samuel Wagstaff Jr (Director) $0 $0
Melanie Matchett Wood (Director) $0 $0
Hugh Williams (Director) $0 $0
+ View more people

Document Links

990-EZ
Filed on April 2, 2023

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2021

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$25
Expenses
$7,926
Net Income
-$7,901
Net Assets
$158,039
Notable Sources of Revenue Percent of Total Revenue
Contributions $25
100%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $158,039
Total Liabilities $0
Net Assets $158,039
Compensation
Key Employees and Officers Compensation Other
Andrew Sutherland (President) $0 $0
Michael Bennett (Vice President) $0 $0
John Voight (Treasurer) $0 $0
Carl Pomerance (Secretary) $0 $0
Jennifer Balakrishnan (Director) $0 $0
Richard Blecksmith (Directory) $0 $0
John Brillhart (Director) $0 $0
Chantal David (Director) $0 $0
Kevin Ford (Director) $0 $0
Melanie Matchett Wood (Director) $0 $0
Lillian Pierce (Director) $0 $0
Bruce Reznick (Director) $0 $0
Renate Scheidler (Director) $0 $0
Alice Silverberg (Director) $0 $0
Samuel Wagstaff Jr (Director) $0 $0
Hugh Williams (Director) $0 $0
+ View more people

Document Links

990-EZ
Filed on March 17, 2022

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2020

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$55,000
Expenses
$6,389
Net Income
$48,611
Net Assets
$165,940
Notable Sources of Revenue Percent of Total Revenue
Contributions $55,000
100%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $165,940
Total Liabilities $0
Net Assets $165,940

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF
PDF (2 of 2)

Fiscal Year Ending Dec.
2019

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$105,442
Expenses
$0
Net Income
$105,442
Net Assets
$117,329
Notable Sources of Revenue Percent of Total Revenue
Contributions $105,442
100%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $117,329
Total Liabilities $0
Net Assets $117,329

No Document Links

The IRS has provided extracted financial data for this filing, but has not yet released the source documents.

Fiscal Year Ending Dec.
2018

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$1,020
Expenses
$29,900
Net Income
-$28,880
Net Assets
$14,887
Notable Sources of Revenue Percent of Total Revenue
Contributions $1,020
100%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $14,887
Total Liabilities $0
Net Assets $14,887

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2017

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$5,747
Expenses
$22,880
Net Income
-$17,133
Net Assets
$43,767
Notable Sources of Revenue Percent of Total Revenue
Contributions $35
0.6%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $5,712
99.4%
Assets/Debt
Total Assets $43,767
Total Liabilities $0
Net Assets $43,767

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2016

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$2,747
Expenses
$49,211
Net Income
-$46,464
Net Assets
$60,900
Notable Sources of Revenue Percent of Total Revenue
Contributions $2,675
97.4%
Program Services $0
Investment Income $72
2.6%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $60,900
Total Liabilities $0
Net Assets $60,900

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2015

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$59,585
Expenses
$44,591
Net Income
$14,994
Net Assets
$107,364
Notable Sources of Revenue Percent of Total Revenue
Contributions $59,500
99.9%
Program Services $0
Investment Income $85
0.1%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $107,364
Total Liabilities $0
Net Assets $107,364

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2014

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$25,227
Expenses
$37,900
Net Income
-$12,673
Net Assets
$92,370
Notable Sources of Revenue Percent of Total Revenue
Contributions $25,025
99.2%
Program Services $0
Investment Income $202
0.8%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $92,370
Total Liabilities $0
Net Assets $92,370

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2013

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$66,536
Expenses
$21,000
Net Income
$45,536
Net Assets
$105,043
Notable Sources of Revenue Percent of Total Revenue
Contributions $66,380
99.8%
Program Services $0
Investment Income $156
0.2%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $105,043
Total Liabilities $0
Net Assets $105,043

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2012

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$71,753
Expenses
$31,660
Net Income
$40,093
Net Assets
$59,507
Notable Sources of Revenue Percent of Total Revenue
Contributions $71,700
99.9%
Program Services $0
Investment Income $53
0.1%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $59,507
Total Liabilities $0
Net Assets $59,507

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF
PDF (2 of 2)

Fiscal Year Ending Dec.
2011

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$26,041
Expenses
$38,600
Net Income
-$12,559
Net Assets
$19,414
Notable Sources of Revenue Percent of Total Revenue
Contributions $25,900
99.5%
Program Services $0
Investment Income $141
0.5%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $19,414
Total Liabilities $0
Net Assets $19,414

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF
PDF (2 of 2)

Fiscal Year Ending Dec.
2010

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF
PDF (2 of 2)

Fiscal Year Ending Dec.
2009

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2008

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2007

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2006

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2005

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2004

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2003

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2002

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2001

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

About This Data

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

Get the Data

For those interested in acquiring the original data from the source, here’s where our data comes from:

  • Raw filing data. Includes EINs and summary financials as structured data.
  • Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
  • Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
  • Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
  • Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

API

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Byline

By Andrea Suozzo, Alec Glassford, Ash Ngu and Brandon Roberts.
Design by Jeff Frankl. Additional development by Ken Schwencke, Mike Tigas, and Sisi Wei.

E-file viewer adapted from IRS e-File Viewer by Ben Getson. Code for scraping audit documents adapated from Govwiki.

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