95

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95 (ninety-five) is the natural number following 94 and preceding 96.

95
Cardinal ninety-five
Ordinal 95th
(ninety-fifth)
Numeral system 95
Factorization 5 \cdot 19
Divisors 1, 5, 19, 95
Roman numeral XCV
Binary 10111112
Octal 1378
Duodecimal 7B12
Hexadecimal 5F16
Contents

In mathematics

Ninety-five is the thirtieth distinct semiprime and the fifth of the form (5.q). The aliquot sum of 95 is 25 within the aliquot sequence (95,25,6) 95 being the third composite number in the 6-aliquot tree. Ninety-five is the last member in the third triplet of distinct semiprimes 93, 94 and 95.

95 is an 11-gonal number. At ninety-five, the Mertens function sets a new high of 2, after being below 0 for most of the numbers from 3 to 92. This record stands until 218. 95 is a Thabit number.

In astronomy

In other fields

Luther posted his 95 Theses on 1517 October at the Castle Church of Wittenberg

Ninety-five is also:

In sports

See also

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