number.wiki
Number

4,421

4,421 is a prime, odd.

Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
11
Digital root
2
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
4,422

Primality

4,421 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 4421
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 4,421)
1 × 4421
First multiples
4,421 · 8,842 · 13,263 · 17,684 · 22,105 · 26,526 · 30,947 · 35,368 · 39,789 · 44,210

Representations

In words
four thousand four hundred twenty-one
Ordinal
4421st
Binary
1000101000101
Octal
10505
Hexadecimal
1145

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 4,409 (gap of 12)
  • Next prime: 4,423 (gap of 2)

Pair status: twin with 4423.

Unicode codepoint
U+1145
Other letter (Lo)

UTF-8 encoding: E1 85 85 (3 bytes).

Hex color
#001145
RGB(0, 17, 69)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.17.69.