Properties of the Number 20829

Twenty Thousand Eight Hundred Twenty-Nine

Basics

Value: 20828 → 20829 → 20830

Parity: odd

Prime: No

Previous Prime: 20809

Next Prime: 20849

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 53 × 131

Divisors: 1, 3, 53, 131, 159, 393, 6943, 20829

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101000101011101

Octal: 50535

Duodecimal: 10079

Hexadecimal: 515d

Square: 433847241

Square Root: 144.32255540974876

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

Associated Mersenne numbers. A1351

Consecutive states of the linear congruential pseudo-random number generator 171·s mod 30269 when started at s=1. A385031

Expansion of 1/(x^k*(1-x-2·x^k+1)) for k=5. A143448

Base-9 palindromes that start with 3. A43030

Decimal expansion of 1/sqrt(72) = 1/(3·2^3/2) = sqrt(2)/12. A20829