Properties of the Number 73145

Seventy-Three Thousand One Hundred Forty-Five

Basics

Value: 73144 → 73145 → 73146

Parity: odd

Prime: No

Previous Prime: 73141

Next Prime: 73181

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 14629

Divisors: 1, 5, 14629, 73145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110110111001

Octal: 216671

Duodecimal: 363B5

Hexadecimal: 11db9

Square: 5350191025

Square Root: 270.4533231446787

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 737", based on the 5-celled von Neumann neighborhood. A273480

a(n) = -a(n-1) - a(n-2) + a(n-3), a(0)=3, a(1)=-1, a(2)=-1. A73145