Properties of the Number 20933

Twenty Thousand Nine Hundred Thirty-Three

Basics

Value: 20932 → 20933 → 20934

Parity: odd

Prime: No

Previous Prime: 20929

Next Prime: 20939

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 11 ² × 173

Divisors: 1, 11, 121, 173, 1903, 20933

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101000111000101

Octal: 50705

Duodecimal: 10145

Hexadecimal: 51c5

Square: 438190489

Square Root: 144.68241081762497

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

Palindromic numbers in bases 2 and 8 written in base 10. A259380

Coefficients arising in the enumeration of configurations of linear chains. A38746

T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns. A221929

Numbers k such that k¹² == 1 (mod 13⁴). A56095

Denominators of continued fraction convergents to sqrt(446). A41849

Denominators of continued fraction convergents to sqrt(865). A42671

Number of nondecreasing arrangements of 4 nonzero numbers in -(n+2)..(n+2) with sum zero. A188334

Number of 2Xn arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns. A221930

Base-8 palindromes that start with 5. A43025

Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns. A221928