Properties of the Number 68240

Sixty-Eight Thousand Two Hundred Forty

Basics

Value: 68239 → 68240 → 68241

Parity: even

Prime: No

Previous Prime: 68239

Next Prime: 68261

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 5 × 853

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000101010010000

Octal: 205220

Duodecimal: 335A8

Hexadecimal: 10a90

Square: 4656697600

Square Root: 261.2278698760911

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

Number of length n necklaces with integer entries that cover an initial interval of positive integers. A19536

Number of partitions p of n such that median(p) <= mean(p). A240218

Sequence h_n arising in enumeration of arrays of directed blocks (see Quaintance reference for precise definition). A129874

Self-composition of binary encoding of GF(2) polynomial. A193145

1/2 the number of colorings of a 4 X 4 square array with n colors. A68240