100,272
100,272 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 12
- Digital root
- 3
- Palindrome
- No
- Reversed
- 272,001
- Divisor count
- 20
- σ(n) — sum of divisors
- 259,160
Primality
Prime factorization: 2 4 × 3 × 2089
Divisors & multiples
Representations
- In words
- one hundred thousand two hundred seventy-two
- Ordinal
- 100272nd
- Binary
- 11000011110110000
- Octal
- 303660
- Hexadecimal
- 0x187B0
- Base64
- AYew
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 100272, here are decompositions:
- 5 + 100267 = 100272
- 59 + 100213 = 100272
- 79 + 100193 = 100272
- 83 + 100189 = 100272
- 89 + 100183 = 100272
- 103 + 100169 = 100272
- 163 + 100109 = 100272
- 223 + 100049 = 100272
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 98 9E B0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.135.176.
- Address
- 0.1.135.176
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.135.176
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 100,272 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.