Properties of the Number 68661

Sixty-Eight Thousand Six Hundred Sixty-One

Basics

Value: 68660 → 68661 → 68662

Parity: odd

Prime: No

Previous Prime: 68659

Next Prime: 68669

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 2543

Divisors: 1, 3, 9, 27, 2543, 7629, 22887, 68661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000110000110101

Octal: 206065

Duodecimal: 33899

Hexadecimal: 10c35

Square: 4714332921

Square Root: 262.0324407396916

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 non-equivalent (mod D₄) ways to arrange 4 points on an n X n square grid so that no three points are collinear. A235455

Number of partitions of n such that the number of parts is not divisible by the greatest part. A200727

Let N = 123456789101112131415... the concatenation of natural numbers; partition this number into minimal strings of noncomposite numbers, i.e., a(1) = 1 and a(2) onwards are primes. A68661