97 (number)

96 97 98
Cardinal ninety-seven
Ordinal 97th
(ninety-seventh)
Factorization prime
Prime 25th
Divisors 1, 97
Roman numeral XCVII
Binary 11000012
Ternary 101213
Quaternary 12014
Quinary 3425
Senary 2416
Octal 1418
Duodecimal 8112
Hexadecimal 6116
Vigesimal 4H20
Base 36 2P36

97 (ninety-seven) is the natural number following 96 and preceding 98.

In mathematics

97 is:

The numbers 97, 907, 9007, 90007 and 900007 are happy primes. However, 9000007 (read as nine million seven) is composite and has the factorisation 277 × 32491.

In astronomy

In other fields

Ninety-seven is:

In music

In sports

See also

References

  1. "Sloane's A080076 : Proth primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
  2. "Sloane's A005282 : Mian-Chowla sequence". The On-Line Encyclopedia of integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
  3. "Sloane's A000945 : Euclid-Mullin sequence". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
  4. "Sloane's A003052 : Self numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
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