number.wiki
Number

19,001

19,001 is a prime, odd.

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
19,002

Primality

19,001 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 19001
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 19,001)
1 × 19001
First multiples
19,001 · 38,002 · 57,003 · 76,004 · 95,005 · 114,006 · 133,007 · 152,008 · 171,009 · 190,010

Representations

In words
nineteen thousand one
Ordinal
19001st
Binary
100101000111001
Octal
45071
Hexadecimal
4A39

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 18,979 (gap of 22)
  • Next prime: 19,009 (gap of 8)
Unicode codepoint
䨹
U+4A39
Other letter (Lo)

UTF-8 encoding: E4 A8 B9 (3 bytes).

Lookup U+4A39 on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#004A39
RGB(0, 74, 57)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.74.57.