Properties of the Number -90061

Ninety Thousand Sixty-One

Basics

Value: -90062 → -90061 → -90060

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 113 × 797

Divisors: 1, 113, 797, 90061

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101111111001101

Octal: -257715

Duodecimal: -44151

Hexadecimal: -15fcd

Square: 8110983721

Square Root: 300.1016494456503

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

a(n) = a(n-1) + a(n-5); a(0) = ... = a(4) = 1. A3520

Bruckman-Lucas pseudoprimes: k | (L_k - 1), where k is composite and L_k = Lucas numbers A000032. A5845

Expansion of 1/(1 -x⁵ -x⁶ -x⁷ - ...). A17899

Composite numbers k such that k divides F(k-1) where F(j) are the Fibonacci numbers. A69106

Composite n coprime to 5 such that Fibonacci(n) == Legendre(n,5) (mod n). A49062

Odd composites m that divide Fibonacci(m)-1. A94394

Frobenius pseudoprimes with respect to Fibonacci polynomial x² - x - 1. A212424

Composite n such that n divides both Fibonacci(n-1) and Fibonacci(n) - 1. A94401

Number of compositions of 5·n-2 into parts 1 and 5. A369837

Composite k such that Fibonacci(k) == Legendre(k,5) == 1 (mod k). A93372