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Number

2,141

2,141 is a prime, odd.

Cousin Prime Deficient Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
8
Digital root
8
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
2,142

Primality

2,141 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 2141
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 2,141)
1 × 2141
First multiples
2,141 · 4,282 · 6,423 · 8,564 · 10,705 · 12,846 · 14,987 · 17,128 · 19,269 · 21,410

Representations

In words
two thousand one hundred forty-one
Ordinal
2141st
Roman numeral
MMCXLI
Binary
100001011101
Octal
4135
Hexadecimal
85D

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 2,137 (gap of 4)
  • Next prime: 2,143 (gap of 2)

Pair status: twin with 2143, cousin with 2137.

Hex color
#00085D
RGB(0, 8, 93)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.8.93.