number.wiki
Number

1,487

1,487 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Happy Number Prime Sexy Prime Squarefree Twin Prime Year

Properties

Parity
Odd
Digit count
4
Digit sum
20
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
1,488

Primality

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

Divisors & multiples

All divisors (2)
1 · 1487
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,487)
1 × 1487
First multiples
1,487 · 2,974 · 4,461 · 5,948 · 7,435 · 8,922 · 10,409 · 11,896 · 13,383 · 14,870

Representations

In words
one thousand four hundred eighty-seven
Ordinal
1487th
Roman numeral
MCDLXXXVII
Binary
10111001111
Octal
2717
Hexadecimal
5CF

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 1,483 (gap of 4)
  • Next prime: 1,489 (gap of 2)

Pair status: twin with 1489, cousin with 1483.

Hex color
#0005CF
RGB(0, 5, 207)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.207.