104,642
104,642 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digital root
- 8
- Palindrome
- No
- Reversed
- 246,401
- Recamán's sequence
- a(91,907) = 104,642
- Divisor count
- 4
- σ(n) — sum of divisors
- 156,966
Primality
Prime factorization: 2 × 52321
Divisors & multiples
Representations
- In words
- one hundred four thousand six hundred forty-two
- Ordinal
- 104642nd
- Binary
- 11001100011000010
- Octal
- 314302
- Hexadecimal
- 0x198C2
- Base64
- AZjC
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 104642, here are decompositions:
- 3 + 104639 = 104642
- 19 + 104623 = 104642
- 151 + 104491 = 104642
- 163 + 104479 = 104642
- 331 + 104311 = 104642
- 409 + 104233 = 104642
- 463 + 104179 = 104642
- 523 + 104119 = 104642
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.152.194.
- Address
- 0.1.152.194
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.152.194
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 104,642 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.