Properties of the Number 90091

Ninety Thousand Ninety-One

Basics

Value: 90090 → 90091 → 90092

Parity: odd

Prime: No

Previous Prime: 90089

Next Prime: 90107

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 23 × 3917

Divisors: 1, 23, 3917, 90091

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111111101011

Octal: 257753

Duodecimal: 44177

Hexadecimal: 15feb

Square: 8116388281

Square Root: 300.1516283480734

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

Row 3 of A328464: a(n) = A276156(8n - 4) / 6. A328466

Numbers n with property that n² starts and ends with 81. A159775

Interpolation polynomial through n+1 points (0,1), (1,1), ..., (n-1,1) and (n,n) evaluated at 2n. A237664

Constant term in the expansion of (1 + x⁴ + y⁴ + 1/(x·y))ⁿ. A361700

Number of groups of order 3ⁿ. A90091

Number of order-preserving Hamiltonian paths in the n-cube (Gray codes); see the comments for the precise definition of order-preserving. A259839