Properties of the Number -186481

One Hundred Eighty-Six Thousand Four Hundred Eighty-One

Basics

Value: -186482 → -186481 → -186480

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 186481

Divisors: 1, 186481

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101100001110001

Octal: -554161

Duodecimal: -8BB01

Hexadecimal: -2d871

Square: 34775163361

Square Root: 431.83445902336234

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

Primes p such that (r-p)/log(p) > 5, where r is the next prime after p. A82890

Sums of the form (twin primes + 1) which are also an upper twin prime. A158870

Primes p followed by a gap of 70 = nextprime(p) - p. A204792

a(n) = prime(prime(A096480(n))). A96482

Primes of the form 2520k + 1 for some k. A217588

Numbers k such that d(k) < d(k+1) < d(k+2) < d(k+3) < d(k+4), where d(n) is the number of divisors of n. A364717

Primes formed by the concatenation 1, n, n², n, 1. A68676

Primes p such that the maximal length of a Buchi sequence in Z/pZ is less than the value of A124882 for that prime. A261404

a(n) is the first prime p such that each of the first n primes divides at least one of the composites between p and the next prime, but prime(n+1) does not divide any of these. A341640

a(n) is the least prime p such that there are exactly n squarefree numbers strictly between p and the next prime, or -1 if there is no such p. A378111