number.wiki
Number

2,143

2,143 is a prime, odd.

Deficient Number Prime Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
10
Digital root
1
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
2,144

Primality

2,143 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 2143
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 2,143)
1 × 2143
First multiples
2,143 · 4,286 · 6,429 · 8,572 · 10,715 · 12,858 · 15,001 · 17,144 · 19,287 · 21,430

Representations

In words
two thousand one hundred forty-three
Ordinal
2143rd
Roman numeral
MMCXLIII
Binary
100001011111
Octal
4137
Hexadecimal
85F

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 2,141 (gap of 2)
  • Next prime: 2,153 (gap of 10)

Pair status: twin with 2141.

Hex color
#00085F
RGB(0, 8, 95)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.8.95.