Properties of the Number -130817

One Hundred Thirty Thousand Eight Hundred Seventeen

Basics

Value: -130818 → -130817 → -130816

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 130817

Divisors: 1, 130817

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111111100000001

Octal: -377401

Duodecimal: -63855

Hexadecimal: -1ff01

Square: 17113087489

Square Root: 361.6863281906022

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) = 2^n-1*(2ⁿ - 1) + 1. A134169

Sequence of primes 2·p(k) + 3 such that 2·p(k) + 3, 2·p(k+1) + 3, 2·p(k+2) + 3 are consecutive primes, where p(i) denotes the i-th prime. Sequence terms are 2·p(k) + 3. A89450

Primes of the form 2^j - 2^k + 1, where j > k >= 0. A152449

Primes equal to a centered 9-gonal number plus 1. A285812

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood. A286857

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 553", based on the 5-celled von Neumann neighborhood. A289268

Primes p with A047967(p) also prime. A236418

a(n) = 2ⁿ - n*(n-2). A176776

a(n) = prime(k) with k = n² + prime(n)². A243892

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,2}. A79966