Journal metric profile

International Journal of Number Theory

Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor, five-year Impact Factor, quartile, category rank, publisher, identifiers and citation profile for the 2025 metric year.

JCR-based Impact Factor 0.400 2025 metric year
5-Year Impact Factor 0.500 Longer citation window
JCR Quartile Q4 Subject-category quartile
JCR Category Rank 383/483 Recorded category rank

International Journal of Number Theory JCR impact factor overview

Automatically generated from the journal record shown on this page.

Page reviewed August 6, 2026

Clarivate JCR impact factor overview

International Journal of Number Theory is listed in this directory with bibliometric information for 2025. It is published by WORLD SCIENTIFIC PUBL CO PTE LTD. The database records a Journal Impact Factor of 0.400, presented as a Clarivate Journal Citation Reports (JCR)-based metric. Its listed JCR Impact Factor quartile is Q4.

Ranking and quartile

The recorded JCR Impact Factor category rank is 383 out of 483 journals in its listed category. A Q4 designation describes the journal’s position within its subject category; it should not be used as a direct measure of the quality of an individual article.

Citation profile

The record contains 965 total citations, 132 total articles, 133 citable items. The five-year Impact Factor is 0.500, which is 0.100 points above the listed standard Journal Impact Factor. These values use different citation windows and should be interpreted together rather than as a direct trend. The Journal Impact Factor without journal self-citations is recorded as 0.400. The Journal Citation Indicator is listed as 0.450.

Citation half-life

The cited half-life is recorded as 7.8 years, describing the median age of articles cited in the reporting year. The citing half-life is 17.7 years, reflecting the median age of references used by the journal’s articles.

Journal identifiers and verification

International Journal of Number Theory is identified in this record by print ISSN 1793-0421 and electronic ISSN 1793-7310. Use the ISSN when checking library catalogues, publisher records, indexing databases, or the official Clarivate Journal Citation Reports entry.

Complete journal information

All values below come directly from the database record.

Journal nameInternational Journal of Number Theory
Abbreviated journalINT J NUMBER THEORY
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD
Metric year2025
Overall rank17,542
ISSN1793-0421
eISSN1793-7310
Total cites965
Total articles132
Citable items133
Cited half-life7.8 years
Citing half-life17.7 years
JCR-based Journal Impact Factor0.400
5-Year Impact Factor0.500
Impact Factor without journal self-cites0.400
Journal Citation Indicator0.450
JCR Impact Factor quartileQ4
JCR category rank383/483
Database record updated

Frequently asked questions

What is the 2025 JCR-based Journal Impact Factor of International Journal of Number Theory?

The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for International Journal of Number Theory is 0.400 for the 2025 metric year.

What quartile is International Journal of Number Theory?

International Journal of Number Theory is listed in quartile Q4. Quartiles describe a journal’s position within a subject category and should be interpreted within that field.

Who publishes International Journal of Number Theory?

International Journal of Number Theory is listed as being published by WORLD SCIENTIFIC PUBL CO PTE LTD.

Can a JCR Journal Impact Factor be used to judge an individual article?

No. The Journal Impact Factor is a journal-level citation measure reported in Clarivate Journal Citation Reports. It does not measure the quality, reliability or influence of every individual article published by that journal.

Additional records from the same publisher or with a similar listed JCR Impact Factor.