# Ivan Mikheevich Pervushin

> Ivan Mikheevich Pervushin was a Russian clergyman and mathematician of the second half of the 19th century, known for his achievements in number theory. He discovered the ninth perfect number and its odd prime factor, the ninth Mersenne prime. Also, he proved that two Fermat numbers, the 12th and 23rd, were composite.

*Russian mathematician*

**Canonical URL:** https://fame.am/person/ivan-mikheevich-pervushin

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Born:** 1827-01-15
- **Died:** 1900-06-17
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 42.1 / 100
- **Momentum:** 21.5 / 100  (trend: BREAKOUT)
- **Historical depth:** 7.0 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 45.0 / 100
- **Profile completeness:** 60.0 / 100

## Sources
- [Ivan Mihejevič Pervušin](https://sl.wikipedia.org/wiki/Ivan_Mihejevi%C4%8D_Pervu%C5%A1in)
- [إيفان ميخيفيتش بيرفوشين](https://ar.wikipedia.org/wiki/%D8%A5%D9%8A%D9%81%D8%A7%D9%86_%D9%85%D9%8A%D8%AE%D9%8A%D9%81%D9%8A%D8%AA%D8%B4_%D8%A8%D9%8A%D8%B1%D9%81%D9%88%D8%B4%D9%8A%D9%86)
- [Ivan Michejevič Pervušin](https://cs.wikipedia.org/wiki/Ivan_Michejevi%C4%8D_Pervu%C5%A1in)
- [Ivan Pervushin](https://en.wikipedia.org/wiki/Ivan_Pervushin)
- [Ivan Mikheïevitch Pervouchine](https://fr.wikipedia.org/wiki/Ivan_Mikhe%C3%AFevitch_Pervouchine)
- [Ivan Mikheevich Pervushin](https://ht.wikipedia.org/wiki/Ivan_Mikheevich_Pervushin)
- [Ivan Pervushin](https://pt.wikipedia.org/wiki/Ivan_Pervushin)
- [Первушин, Иван Михеевич](https://ru.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%B2%D1%83%D1%88%D0%B8%D0%BD%2C_%D0%98%D0%B2%D0%B0%D0%BD_%D0%9C%D0%B8%D1%85%D0%B5%D0%B5%D0%B2%D0%B8%D1%87)
- [Wikidata](https://www.wikidata.org/wiki/Q374046)

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