number.wiki
Number

487

487 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Happy Number Prime Squarefree Year

Properties

Parity
Odd
Digit count
3
Digit sum
19
Digital root
1
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
488

Primality

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

Divisors & multiples

All divisors (2)
1 · 487
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 487)
1 × 487
First multiples
487 · 974 · 1,461 · 1,948 · 2,435 · 2,922 · 3,409 · 3,896 · 4,383 · 4,870

Representations

In words
four hundred eighty-seven
Ordinal
487th
Roman numeral
CDLXXXVII
Binary
111100111
Octal
747
Hexadecimal
1E7

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 479 (gap of 8)
  • Next prime: 491 (gap of 4)

Pair status: cousin with 491.

Unicode codepoint
ǧ
U+01E7
Lowercase letter (Ll)

UTF-8 encoding: C7 A7 (2 bytes).

Hex color
#0001E7
RGB(0, 1, 231)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.231.