number.wiki
Number

97

97 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Happy Number Prime Sexy Prime Squarefree Year

Properties

Parity
Odd
Digit count
2
Digit sum
16
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
98

Primality

97 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 97
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 97)
1 × 97
First multiples
97 · 194 · 291 · 388 · 485 · 582 · 679 · 776 · 873 · 970

Representations

In words
ninety-seven
Ordinal
97th
Roman numeral
XCVII
Binary
1100001
Octal
141
Hexadecimal
61

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 89 (gap of 8)
  • Next prime: 101 (gap of 4)

Pair status: cousin with 101.

ASCII character

As an ASCII codepoint, 97 is a. Printable ASCII character a.

Hex color
#000061
RGB(0, 0, 97)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.97.

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000000097
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.