Properties of the Number 80815

Eighty Thousand Eight Hundred Fifteen

Basics

Value: 80814 → 80815 → 80816

Parity: odd

Prime: No

Previous Prime: 80809

Next Prime: 80819

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 7 × 2309

Divisors: 1, 5, 7, 35, 2309, 11545, 16163, 80815

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011101110101111

Octal: 235657

Duodecimal: 3A927

Hexadecimal: 13baf

Square: 6531064225

Square Root: 284.27979175453186

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

Capped binary boundary codes for holeless strictly non-overlapping polyhexes (all orientations and rotations included). A258002

The number of vertices inside a cross with width 3 and height n (see Comments in A331455 for definition) formed by the straight line segments mutually connecting all vertices and all points. A330850

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 0), (-1, 0, 1), (0, -1, 0), (1, 1, 0)}. A149234

Successive strings in the construction of the Thue-Morse sequence A001285. A80815