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Number

2,971

2,971 is a prime, odd.

Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
19
Digital root
1
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
2,972

Primality

2,971 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 2971
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 2,971)
1 × 2971
First multiples
2,971 · 5,942 · 8,913 · 11,884 · 14,855 · 17,826 · 20,797 · 23,768 · 26,739 · 29,710

Representations

In words
two thousand nine hundred seventy-one
Ordinal
2971st
Roman numeral
MMCMLXXI
Binary
101110011011
Octal
5633
Hexadecimal
B9B

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 2,969 (gap of 2)
  • Next prime: 2,999 (gap of 28)

Pair status: twin with 2969.

Hex color
#000B9B
RGB(0, 11, 155)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.11.155.