Properties of the Number -185641

One Hundred Eighty-Five Thousand Six Hundred Forty-One

Basics

Value: -185642 → -185641 → -185640

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 185641

Divisors: 1, 185641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101010100101001

Octal: -552451

Duodecimal: -8B521

Hexadecimal: -2d529

Square: 34462580881

Square Root: 430.8607663735467

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) = n⁴ - n³ + n² - n + 1. A60884

Numbers whose least quadratic nonresidue (A020649) is 29. A25029

Greatest prime factor of n⁵ + 1. A240548

Primitive prime factors of the cyclotomic polynomial sequence φ(10,k) in the order in which they occur. A248874

Number of gap-free Carlitz compositions of n. A374726

Primes of the form n⁴ - n³ + n² - n + 1. A259257

Primes of the form (c^k+1)/(c+1) not having a representation in the form (b^q-1)/(b-1), where b, c > 1 and k, q > 2. A343774

To get a(n), replace 0's in the binary expansion of n with (-1) and interpret the result in base n. A360096

Primes with 41 as smallest positive primitive root. A114658

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