Properties of the Number -18617

Eighteen Thousand Six Hundred Seventeen

Basics

Value: -18618 → -18617 → -18616

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 18617

Divisors: 1, 18617

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100010111001

Octal: -44271

Duodecimal: -A935

Hexadecimal: -48b9

Square: 346592689

Square Root: 136.444127759314

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

Lower prime of a difference of 20 between consecutive primes. A31938

Primes p whose period of reciprocal equals (p-1)/13. A98680

Least prime in A031938 (lesser of primes differing by 20) whose distance to the next 20-twin is 6·n. A52359

Smallest prime p such that n is a solution mod p of x⁴ = 2, or 0 if no such prime exists. A65902

Primes of the form 5·x² - 3·y², where·and y are consecutive numbers. A176470

Primes P where the distance to the nearest prime is greater than 2·log(P). A330426

Prime(n) and prime(n+3) use the same digits. A69795

Prime numbers, isolated from neighboring primes by >14. A137874

Prime numbers, isolated from neighboring primes by >16. A137875

Primes of a056240-type 3. A300359