number.wiki
Number

31,249

31,249 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
19
Digital root
1
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
31,250

Primality

31,249 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 31249
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 31,249)
1 × 31249
First multiples
31,249 · 62,498 · 93,747 · 124,996 · 156,245 · 187,494 · 218,743 · 249,992 · 281,241 · 312,490

Representations

In words
thirty-one thousand two hundred forty-nine
Ordinal
31249th
Binary
111101000010001
Octal
75021
Hexadecimal
7A11

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 31,247 (gap of 2)
  • Next prime: 31,253 (gap of 4)

Pair status: twin with 31247, cousin with 31253.

Unicode codepoint
U+7A11
Other letter (Lo)

UTF-8 encoding: E7 A8 91 (3 bytes).

Hex color
#007A11
RGB(0, 122, 17)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.122.17.