Number
137
137 is a prime, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 11
- Digital root
- 2
- Palindrome
- No
- Divisor count
- 2
- σ(n) — sum of divisors
- 138
Primality
137 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
Representations
- In words
- one hundred thirty-seven
- Ordinal
- 137th
- Roman numeral
- CXXXVII
- Binary
- 10001001
- Octal
- 211
- Hexadecimal
- 89
Also seen as
Prime neighborhood
Unicode codepoint
U+0089
Control character (Cc)
UTF-8 encoding: C2 89 (2 bytes).
Hex color
#000089
RGB(0, 0, 137)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.137.