Properties of the Number 91628

Ninety-One Thousand Six Hundred Twenty-Eight

Basics

Value: 91627 → 91628 → 91629

Parity: even

Prime: No

Previous Prime: 91621

Next Prime: 91631

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 22907

Divisors: 1, 2, 4, 22907, 45814, 91628

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010111101100

Octal: 262754

Duodecimal: 45038

Hexadecimal: 165ec

Square: 8395690384

Square Root: 302.70117277605647

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

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to at least one diagonal or antidiagonal neighbor and the top left element equal to 0. A268142

Number of Dyck paths of semilength n such that the maximal number of peaks per level equals ten. A288751

Number of 3 X n arrays containing n copies of 0..3-1 with every element equal to at least one diagonal or antidiagonal neighbor and the top left element equal to 0. A268143

Concatenation of n 2's followed by 3. A91628