Properties of the Number 72845

Seventy-Two Thousand Eight Hundred Forty-Five

Basics

Value: 72844 → 72845 → 72846

Parity: odd

Prime: No

Previous Prime: 72823

Next Prime: 72859

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 17 × 857

Divisors: 1, 5, 17, 85, 857, 4285, 14569, 72845

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110010001101

Octal: 216215

Duodecimal: 361A5

Hexadecimal: 11c8d

Square: 5306394025

Square Root: 269.89812893015767

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

a(n) is the smallest natural number we cannot obtain from n, n+1, n+2, n+3, n+4, n+5, n+6, n+7 and the operators +, -, *, /, using each number only once. A143192

{1, 3, 7, 9} -> Mod[ {1*{1, 3, 7, 9}, 3*{1, 3, 7, 9}, 7*{1, 3, 7, 9}, 9*{1, 3, 7, 9}}, 10}. A72845