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Number

71,143

71,143 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
16
Digital root
7
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
71,144

Primality

71,143 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 71143
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 71,143)
1 × 71143
First multiples
71,143 · 142,286 · 213,429 · 284,572 · 355,715 · 426,858 · 498,001 · 569,144 · 640,287 · 711,430

Representations

In words
seventy-one thousand one hundred forty-three
Ordinal
71143rd
Binary
10001010111100111
Octal
212747
Hexadecimal
115E7

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 71,129 (gap of 14)
  • Next prime: 71,147 (gap of 4)

Pair status: cousin with 71147.

Hex color
#0115E7
RGB(1, 21, 231)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.21.231.