Number
71
71 is a prime, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 2
- Digit sum
- 8
- Digital root
- 8
- Palindrome
- No
- Divisor count
- 2
- σ(n) — sum of divisors
- 72
Primality
71 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
Representations
- In words
- seventy-one
- Ordinal
- 71st
- Roman numeral
- LXXI
- Binary
- 1000111
- Octal
- 107
- Hexadecimal
- 47
Also seen as
Prime neighborhood
ASCII character
As an ASCII codepoint, 71 is G. Printable ASCII character G.
Hex color
#000047
RGB(0, 0, 71)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.71.
Possible US bank routing number
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Routing number
000000071
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.