Properties of the Number 68446

Sixty-Eight Thousand Four Hundred Forty-Six

Basics

Value: 68445 → 68446 → 68447

Parity: even

Prime: No

Previous Prime: 68443

Next Prime: 68447

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 4889

Divisors: 1, 2, 7, 14, 4889, 9778, 34223, 68446

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101101011110

Octal: 205536

Duodecimal: 3373A

Hexadecimal: 10b5e

Square: 4684854916

Square Root: 261.62186452970633

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-2), T given by A026670. A26673

The number of lit cells in weakly increasing partitions of n when light shines from the northwest. Here partitions are represented from left to right by columns of cells. A366069

Factorial expansion of sqrt(5) = ∑_n>0 a(n)/n!. A68446