Properties of the Number 72844

Seventy-Two Thousand Eight Hundred Forty-Four

Basics

Value: 72843 → 72844 → 72845

Parity: even

Prime: No

Previous Prime: 72823

Next Prime: 72859

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 18211

Divisors: 1, 2, 4, 18211, 36422, 72844

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110010001100

Octal: 216214

Duodecimal: 361A4

Hexadecimal: 11c8c

Square: 5306248336

Square Root: 269.89627637297997

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

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 705", based on the 5-celled von Neumann neighborhood. A273419

Number of words of length 2n-1 generated by the two letters s and t that reduce to the identity 1 by using the relations sssssss=1, tt=1 and stst=1. The generators s and t along with the three relations generate the 14-element dihedral group D7. A72844

Number of (n+1) X (3+1) 0..2 arrays with the upper median of every 2 X 2 subblock equal. A237303