Properties of the Number 21934

Twenty-One Thousand Nine Hundred Thirty-Four

Basics

Value: 21933 → 21934 → 21935

Parity: even

Prime: No

Previous Prime: 21929

Next Prime: 21937

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 11 × 997

Divisors: 1, 2, 11, 22, 997, 1994, 10967, 21934

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101010110101110

Octal: 52656

Duodecimal: 1083A

Hexadecimal: 55ae

Square: 481100356

Square Root: 148.10131667206744

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

Exponents k where A000120(3^k) - A070939(3^k)/2 reaches a new maximum. A372099

a(n) is the least m such that A341284(m) = 2·n*prime(m+1) - prime(m). A342027

Number of (undirected) paths in the n-Andrásfai graph. A288034

A binomial coefficient summation. A3162

Decimal expansion of 1/930. A21934