Properties of the Number -91285

Ninety-One Thousand Two Hundred Eighty-Five

Basics

Value: -91286 → -91285 → -91284

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 18257

Divisors: 1, 5, 18257, 91285

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -10110010010010101

Octal: -262225

Duodecimal: -449B1

Hexadecimal: -16495

Square: 8332951225

Square Root: 302.1340761979688

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

Expansion of 1/(1 - x - x² + x³ - x⁴ + x⁶). A193146

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=4, I={0,2}. A79974

Expansion of ∏_k>=1 1/(1 - k⁴ * x)^(1/3 * (1/2)^k+1). A384409

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 67. A31655