Number
26
26 is a composite number, even, a calendar year.
Properties
- Parity
- Even
- Digit count
- 2
- Digit sum
- 8
- Digital root
- 8
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 42
Primality
Prime factorization: 2 × 13
Divisors & multiples
Aliquot sum (sum of proper divisors):
16
Representations
- In words
- twenty-six
- Ordinal
- 26th
- Roman numeral
- XXVI
- Binary
- 11010
- Octal
- 32
- Hexadecimal
- 1A
Also seen as
Goldbach decomposition
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 26, here are decompositions:
- 3 + 23 = 26
- 7 + 19 = 26
- 13 + 13 = 26
ASCII character
As an ASCII codepoint, 26 is control character (0x1A). ASCII control character.
Hex color
#00001A
RGB(0, 0, 26)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.26.
Possible US bank routing number
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Routing number
000000026
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.