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Number

227

227 is a prime, odd, a calendar year.

Cousin Prime Deficient Number Prime Sexy Prime Squarefree Twin Prime Year

Properties

Parity
Odd
Digit count
3
Digit sum
11
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
228

Primality

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

Divisors & multiples

All divisors (2)
1 · 227
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 227)
1 × 227
First multiples
227 · 454 · 681 · 908 · 1,135 · 1,362 · 1,589 · 1,816 · 2,043 · 2,270

Representations

In words
two hundred twenty-seven
Ordinal
227th
Roman numeral
CCXXVII
Binary
11100011
Octal
343
Hexadecimal
E3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 223 (gap of 4)
  • Next prime: 229 (gap of 2)

Pair status: twin with 229, cousin with 223.

Unicode codepoint
ã
U+00E3
Lowercase letter (Ll)

UTF-8 encoding: C3 A3 (2 bytes).

Hex color
#0000E3
RGB(0, 0, 227)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.227.