number.wiki
Number

27,997

27,997 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
34
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
27,998

Primality

27,997 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 27997
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 27,997)
1 × 27997
First multiples
27,997 · 55,994 · 83,991 · 111,988 · 139,985 · 167,982 · 195,979 · 223,976 · 251,973 · 279,970

Representations

In words
twenty-seven thousand nine hundred ninety-seven
Ordinal
27997th
Binary
110110101011101
Octal
66535
Hexadecimal
6D5D

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 27,983 (gap of 14)
  • Next prime: 28,001 (gap of 4)

Pair status: cousin with 28001.

Unicode codepoint
U+6D5D
Other letter (Lo)

UTF-8 encoding: E6 B5 9D (3 bytes).

Hex color
#006D5D
RGB(0, 109, 93)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.109.93.