Properties of the Number 40491

Forty Thousand Four Hundred Ninety-One

Basics

Value: 40490 → 40491 → 40492

Parity: odd

Prime: No

Previous Prime: 40487

Next Prime: 40493

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 409

Divisors: 1, 3, 9, 11, 33, 99, 409, 1227, 3681, 4499

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111000101011

Octal: 117053

Duodecimal: 1B523

Hexadecimal: 9e2b

Square: 1639521081

Square Root: 201.22375605280803

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

Fixed points of permutation A071661/A071662. A126312

Volume of Johnson square pyramid placed upright on cube (rounded down) with edge lengths equal to n. A227221

Binomial transform of A166242. A166452

Numbers k such that 89·10^k - 7 is prime. A283186

Continued fraction for sqrt(514). A40491