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Number

26,021

26,021 is a prime, odd.

Cousin Prime Deficient 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
26,022

Primality

26,021 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 26021
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 26,021)
1 × 26021
First multiples
26,021 · 52,042 · 78,063 · 104,084 · 130,105 · 156,126 · 182,147 · 208,168 · 234,189 · 260,210

Representations

In words
twenty-six thousand twenty-one
Ordinal
26021st
Binary
110010110100101
Octal
62645
Hexadecimal
65A5

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 26,017 (gap of 4)
  • Next prime: 26,029 (gap of 8)

Pair status: cousin with 26017.

Unicode codepoint
U+65A5
Other letter (Lo)

UTF-8 encoding: E6 96 A5 (3 bytes).

Hex color
#0065A5
RGB(0, 101, 165)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.101.165.