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Number

57,139

57,139 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
25
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
57,140

Primality

57,139 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 57139
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 57,139)
1 × 57139
First multiples
57,139 · 114,278 · 171,417 · 228,556 · 285,695 · 342,834 · 399,973 · 457,112 · 514,251 · 571,390

Representations

In words
fifty-seven thousand one hundred thirty-nine
Ordinal
57139th
Binary
1101111100110011
Octal
157463
Hexadecimal
DF33

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 57,131 (gap of 8)
  • Next prime: 57,143 (gap of 4)

Pair status: cousin with 57143.

Hex color
#00DF33
RGB(0, 223, 51)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.223.51.