Properties of the Number 72151

Seventy-Two Thousand One Hundred Fifty-One

Basics

Value: 72150 → 72151 → 72152

Parity: odd

Prime: No

Previous Prime: 72139

Next Prime: 72161

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 23 × 3137

Divisors: 1, 23, 3137, 72151

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100111010111

Octal: 214727

Duodecimal: 35907

Hexadecimal: 119d7

Square: 5205766801

Square Root: 268.6093818167936

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

Reversals of Lucas numbers (sorted). A140463

Lucas numbers written backwards. A267551

Apply partial sum operator thrice to Stern's sequence. A14173

Number of isomers of polyhex hydrocarbons with C_2v symmetry with nineteen hexagons. A120448

Coordination sequence for AlPO₄-11 structure with respect to node (Z) where decagon, hexagon and square meet and is not adjacent to node of type (X). A72151

Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254770