number.wiki
Number

13,421

13,421 is a prime, odd.

Cousin Prime Deficient Number Happy Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
11
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
13,422

Primality

13,421 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 13421
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 13,421)
1 × 13421
First multiples
13,421 · 26,842 · 40,263 · 53,684 · 67,105 · 80,526 · 93,947 · 107,368 · 120,789 · 134,210

Representations

In words
thirteen thousand four hundred twenty-one
Ordinal
13421st
Binary
11010001101101
Octal
32155
Hexadecimal
346D

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 13,417 (gap of 4)
  • Next prime: 13,441 (gap of 20)

Pair status: cousin with 13417.

Unicode codepoint
U+346D
Other letter (Lo)

UTF-8 encoding: E3 91 AD (3 bytes).

Hex color
#00346D
RGB(0, 52, 109)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.52.109.