Properties of the Number 91810

Ninety-One Thousand Eight Hundred Ten

Basics

Value: 91809 → 91810 → 91811

Parity: even

Prime: No

Previous Prime: 91807

Next Prime: 91811

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 9181

Divisors: 1, 2, 5, 10, 9181, 18362, 45905, 91810

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011010100010

Octal: 263242

Duodecimal: 4516A

Hexadecimal: 166a2

Square: 8429076100

Square Root: 303.00165016052307

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1)², where a(0) = 3, a(1) = 4, b(0) = 1, b(1) = 2, and (a(n)) and (b(n)) are increasing complementary sequences. A296256

Numbers that are the sum of a positive square and a positive fifth power in more than one way. A363715

Numbers k such that k-1 is a perfect square and k+1 is prime. A392249

Hankel transform of the sequence A001469 (unsigned), Genocchi numbers of first kind. A91810