number.wiki
Number

20,101

20,101 is a prime, odd.

Deficient Number Prime Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
4
Digital root
4
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
20,102

Primality

20,101 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 20101
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 20,101)
1 × 20101
First multiples
20,101 · 40,202 · 60,303 · 80,404 · 100,505 · 120,606 · 140,707 · 160,808 · 180,909 · 201,010

Representations

In words
twenty thousand one hundred one
Ordinal
20101st
Binary
100111010000101
Octal
47205
Hexadecimal
4E85

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 20,089 (gap of 12)
  • Next prime: 20,107 (gap of 6)

Pair status: sexy with 20107.

Unicode codepoint
U+4E85
Other letter (Lo)

UTF-8 encoding: E4 BA 85 (3 bytes).

Hex color
#004E85
RGB(0, 78, 133)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.78.133.