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Number

61,961

61,961 is a prime, odd.

Deficient Number Prime Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
23
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
61,962

Primality

61,961 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 61961
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 61,961)
1 × 61961
First multiples
61,961 · 123,922 · 185,883 · 247,844 · 309,805 · 371,766 · 433,727 · 495,688 · 557,649 · 619,610

Representations

In words
sixty-one thousand nine hundred sixty-one
Ordinal
61961st
Binary
1111001000001001
Octal
171011
Hexadecimal
F209

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 61,949 (gap of 12)
  • Next prime: 61,967 (gap of 6)

Pair status: sexy with 61967.

Hex color
#00F209
RGB(0, 242, 9)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.242.9.