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Number

73,421

73,421 is a prime, odd.

Cousin Prime Deficient Number Happy Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
17
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
73,422

Primality

73,421 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 73421
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 73,421)
1 × 73421
First multiples
73,421 · 146,842 · 220,263 · 293,684 · 367,105 · 440,526 · 513,947 · 587,368 · 660,789 · 734,210

Representations

In words
seventy-three thousand four hundred twenty-one
Ordinal
73421st
Binary
10001111011001101
Octal
217315
Hexadecimal
11ECD

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 73,417 (gap of 4)
  • Next prime: 73,433 (gap of 12)

Pair status: cousin with 73417.

Hex color
#011ECD
RGB(1, 30, 205)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.30.205.