number.wiki
Number

3,221

3,221 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
8
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
3,222

Primality

3,221 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 3221
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 3,221)
1 × 3221
First multiples
3,221 · 6,442 · 9,663 · 12,884 · 16,105 · 19,326 · 22,547 · 25,768 · 28,989 · 32,210

Representations

In words
three thousand two hundred twenty-one
Ordinal
3221st
Roman numeral
MMMCCXXI
Binary
110010010101
Octal
6225
Hexadecimal
C95

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 3,217 (gap of 4)
  • Next prime: 3,229 (gap of 8)

Pair status: cousin with 3217.

Unicode codepoint
U+0C95
Other letter (Lo)

UTF-8 encoding: E0 B2 95 (3 bytes).

Hex color
#000C95
RGB(0, 12, 149)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.12.149.