Properties of the Number 90557

Ninety Thousand Five Hundred Fifty-Seven

Basics

Value: 90556 → 90557 → 90558

Parity: odd

Prime: No

Previous Prime: 90547

Next Prime: 90583

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 137 × 661

Divisors: 1, 137, 661, 90557

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000110111101

Octal: 260675

Duodecimal: 444A5

Hexadecimal: 161bd

Square: 8200570249

Square Root: 300.9269014229203

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 nX5 0..1 arrays with every element equal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. A298632

a(n) = φ(A090556(n)). A90557