Properties of the Number 81932

Eighty-One Thousand Nine Hundred Thirty-Two

Basics

Value: 81931 → 81932 → 81933

Parity: even

Prime: No

Previous Prime: 81931

Next Prime: 81937

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 20483

Divisors: 1, 2, 4, 20483, 40966, 81932

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100000000001100

Octal: 240014

Duodecimal: 3B4B8

Hexadecimal: 1400c

Square: 6712852624

Square Root: 286.23766348962533

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Indices n where a run of primes begins in A375564. A376192

Values of A038007 ending in 2. A38011

a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest unused positive number that is coprime to a(n-1) if a(n-1) is prime, otherwise a(n) shares a factor with a(n-1). A375564

Sum of n-th row of A081930. A81932