Properties of the Number 91887

Ninety-One Thousand Eight Hundred Eighty-Seven

Basics

Value: 91886 → 91887 → 91888

Parity: odd

Prime: No

Previous Prime: 91873

Next Prime: 91909

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 109 × 281

Divisors: 1, 3, 109, 281, 327, 843, 30629, 91887

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110011011101111

Octal: 263357

Duodecimal: 45213

Hexadecimal: 166ef

Square: 8443220769

Square Root: 303.128685544605

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 oriented orthoplex n-ominoes with cell centers determining n-3 space. A355047

Number of length n+7 0..2 arrays with at most one downstep in every 7 consecutive neighbor pairs. A255106

T(n,k)=Number of length n+k 0..2 arrays with at most one downstep in every k consecutive neighbor pairs. A255107

Irregularity index of the n-th irregular prime A000928(n). A91887

G.f. A(x) satisfies A(x - A(x)) = x² + x·A(x). A392203