number.wiki
Number

42,407

42,407 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
17
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
42,408

Primality

42,407 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 42407
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 42,407)
1 × 42407
First multiples
42,407 · 84,814 · 127,221 · 169,628 · 212,035 · 254,442 · 296,849 · 339,256 · 381,663 · 424,070

Representations

In words
forty-two thousand four hundred seven
Ordinal
42407th
Binary
1010010110100111
Octal
122647
Hexadecimal
A5A7

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 42,403 (gap of 4)
  • Next prime: 42,409 (gap of 2)

Pair status: twin with 42409, cousin with 42403.

Unicode codepoint
U+A5A7
Other letter (Lo)

UTF-8 encoding: EA 96 A7 (3 bytes).

Hex color
#00A5A7
RGB(0, 165, 167)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.165.167.