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Properties of the Number 20308

Twenty Thousand Three Hundred Eight

Basics

Value: 20307 → 20308 → 20309

Parity: even

Prime: No

Previous Prime: 20297

Next Prime: 20323

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 2 × 5077

Divisors: 1, 2, 4, 5077, 10154, 20308

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111101010100

Octal: 47524

Duodecimal: B904

Hexadecimal: 4f54

Square: 412414864

Square Root: 142.50614021858848

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

Expansion of g2/(1 + x3*g4), where g = 1+x·g3 is the g.f. of A001764. A391302
McKay-Thompson series of class 28a for Monster. A58610
Number of 6-step one space at a time bishop's tours on an n X n board summed over all starting positions. A187159
Number of 5-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions. A187510
Dispersion of (2·floor(n·r)), where r=(golden ratio), by antidiagonals. A191454
Number of n X 3 nonnegative integer arrays with upper left 0 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A252831
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 531", based on the 5-celled von Neumann neighborhood. A272752
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BRE = Brewsterite (Sr,Ba)2[Al4Si12O32].10H2O starting with a T3 atom. A19084
Number of active (ON, black) cells at stage 2n-1 of the two-dimensional cellular automaton defined by "Rule 182", based on the 5-celled von Neumann neighborhood. A270631
T(n,k)=Number of n-step one space at a time bishop's tours on a kXk board summed over all starting positions. A187155