Properties of the Number 68090

Sixty-Eight Thousand Ninety

Basics

Value: 68089 → 68090 → 68091

Parity: even

Prime: No

Previous Prime: 68087

Next Prime: 68099

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 11 × 619

Divisors: 1, 2, 5, 10, 11, 22, 55, 110, 619, 1238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100111111010

Octal: 204772

Duodecimal: 334A2

Hexadecimal: 109fa

Square: 4636248100

Square Root: 260.9406062689362

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 labeled trees of nonempty sets with n points. (Each node is a set of 1 or more points.) A38052

Number of (n+1) X 4 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of counterclockwise edge increases as its vertical neighbors. A205912

Numbers n which divide the right concatenation of the first n even numbers. A68090