Properties of the Number 90531

Ninety Thousand Five Hundred Thirty-One

Basics

Value: 90530 → 90531 → 90532

Parity: odd

Prime: No

Previous Prime: 90529

Next Prime: 90533

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 × 479

Divisors: 1, 3, 7, 9, 21, 27, 63, 189, 479, 1437

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000110100011

Octal: 260643

Duodecimal: 44483

Hexadecimal: 161a3

Square: 8195861961

Square Root: 300.88369846171463

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 positive integers <= 2ⁿ of form 5 x² + 6 y². A54176

Number of simple perfect squared squares of order n up to symmetry. A6983

Number of perfect squared squares of order n up to symmetries of the square. A217156

Number of perfect squared squares of order n up to symmetries of the square and of its squared subrectangles, if any. A181735

Least multiple of n! sandwiched between twin primes, or 0 if no such number exists. A90531

Smallest number, two or more, of unequal squares that tile a square in exactly n ways; or 0 if there is no such set of tiles. A217150

Number of sets of n unequal squares that tile a square in exactly two ways. A217151