number.wiki
Number

10,243

10,243 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
10
Digital root
1
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
10,244

Primality

10,243 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 10243
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 10,243)
1 × 10243
First multiples
10,243 · 20,486 · 30,729 · 40,972 · 51,215 · 61,458 · 71,701 · 81,944 · 92,187 · 102,430

Representations

In words
ten thousand two hundred forty-three
Ordinal
10243rd
Binary
10100000000011
Octal
24003
Hexadecimal
2803

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 10,223 (gap of 20)
  • Next prime: 10,247 (gap of 4)

Pair status: cousin with 10247.

Unicode codepoint
U+2803
Other symbol (So)

UTF-8 encoding: E2 A0 83 (3 bytes).

Hex color
#002803
RGB(0, 40, 3)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.40.3.