40,442
40,442 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 14
- Digital root
- 5
- Palindrome
- No
- Reversed
- 24,404
- Divisor count
- 8
- σ(n) — sum of divisors
- 61,716
Primality
Prime factorization: 2 × 73 × 277
Divisors & multiples
Representations
- In words
- forty thousand four hundred forty-two
- Ordinal
- 40442nd
- Binary
- 1001110111111010
- Octal
- 116772
- Hexadecimal
- 0x9DFA
- Base64
- nfo=
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 40442, here are decompositions:
- 13 + 40429 = 40442
- 19 + 40423 = 40442
- 211 + 40231 = 40442
- 229 + 40213 = 40442
- 313 + 40129 = 40442
- 331 + 40111 = 40442
- 349 + 40093 = 40442
- 379 + 40063 = 40442
Showing the first eight; more decompositions exist.
UTF-8 encoding: E9 B7 BA (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.157.250.
- Address
- 0.0.157.250
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.157.250
Unspecified address (0.0.0.0/8) — "this network" placeholder.
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.