Properties of the Number 80801

Eighty Thousand Eight Hundred One

Basics

Value: 80800 → 80801 → 80802

Parity: odd

Prime: No

Previous Prime: 80789

Next Prime: 80803

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 ² × 17 × 97

Divisors: 1, 7, 17, 49, 97, 119, 679, 833, 1649, 4753

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011101110100001

Octal: 235641

Duodecimal: 3A915

Hexadecimal: 13ba1

Square: 6528801601

Square Root: 284.25516705945734

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

Numerators of continued fraction convergents to sqrt(101). A41180

a(n) = 1250·n² + 100·n + 1. A154375

a(n) = 128n² + 2336n + 10657. A157433

a(n) = 5000·n² + 200·n + 1. A157511

a(n) = 80000·n² + 800·n + 1. A157664

Numerators of continued fraction convergents to sqrt(404). A41766

Numerators of continued fraction convergents to sqrt(909). A42756

a(n) = 128·n² + 32·n + 1. A157337

Weight distribution of [98,49,16] binary extended quadratic-residue (or QR) code. A145683

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (1, 0, 0), (1, 1, -1)}. A148130