number.wiki
Number

42,487

42,487 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
42,488

Primality

42,487 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 42487
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 42,487)
1 × 42487
First multiples
42,487 · 84,974 · 127,461 · 169,948 · 212,435 · 254,922 · 297,409 · 339,896 · 382,383 · 424,870

Representations

In words
forty-two thousand four hundred eighty-seven
Ordinal
42487th
Binary
1010010111110111
Octal
122767
Hexadecimal
A5F7

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 42,473 (gap of 14)
  • Next prime: 42,491 (gap of 4)

Pair status: cousin with 42491.

Unicode codepoint
U+A5F7
Other letter (Lo)

UTF-8 encoding: EA 97 B7 (3 bytes).

Hex color
#00A5F7
RGB(0, 165, 247)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.165.247.