Properties of the Number 90813

Ninety Thousand Eight Hundred Thirteen

Basics

Value: 90812 → 90813 → 90814

Parity: odd

Prime: No

Previous Prime: 90803

Next Prime: 90821

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 30271

Divisors: 1, 3, 30271, 90813

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001010111101

Octal: 261275

Duodecimal: 44679

Hexadecimal: 162bd

Square: 8247000969

Square Root: 301.3519537019795

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 7 X n matrices with entries {0,1} without adjacent 0's in any row or column. 7th row of A089934. A89938

a(n)=3*(3^prime(n)-1)*B(2·prime(n)) where prime(n)=n-th prime and B(k) denotes the k-th Bernoulli number. A90813