Properties of the Number 68290

Sixty-Eight Thousand Two Hundred Ninety

Basics

Value: 68289 → 68290 → 68291

Parity: even

Prime: No

Previous Prime: 68281

Next Prime: 68311

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 6829

Divisors: 1, 2, 5, 10, 6829, 13658, 34145, 68290

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000101011000010

Octal: 205302

Duodecimal: 3362A

Hexadecimal: 10ac2

Square: 4663524100

Square Root: 261.3235542388018

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) = T(2n,n), T given by A026747. A26748

a(n) = T(n, floor(n/2)), T given by A026747. A26753

Numbers that are the sum of five fourth powers in exactly four ways. A344355

Numbers that are the sum of five fourth powers in four or more ways. A344354

Number of distinct terms at a given iteration of the Collatz (or 3x+1) map starting with 0. A275544

Number of ways for five teams of a World Cup football group to each have n goals for and n goals against. A244998

E.g.f.: log(cosh(x)+log(x+1)). A13185

a(n) = greatest number in row n of array T given by A026747. A27222

a(n) = sum of squares of numbers in row n of array T given by A026747. A27229

1/16 the number of colorings of an n X n staggered hexagonal array with 16 colors. A68290