Properties of the Number -45641

Forty-Five Thousand Six Hundred Forty-One

Basics

Value: -45642 → -45641 → -45640

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 45641

Divisors: 1, 45641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011001001001001

Octal: -131111

Duodecimal: -224B5

Hexadecimal: -b249

Square: 2083100881

Square Root: 213.63754351705134

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 reversal(p) - 13 is a square. A176371

Number of subsets of {1, 2, ..., n} containing n and having <=7 pairwise coprime elements. A186991

a(n) = T(2n-1,n-2), T given by A026670. Also T(2n-1,n-2) = T(2n,n+2), T given by A026725 and T(2n,n-2), T given by A026736. A26675

Number of weakly unimodal compositions of n in which the greatest part occurs exactly four times. A320315

Primes p such that 2·p+1 and (2·p)²+(2·p+1)² are also prime. A347110

Indices of positive Fibonacci numbers whose binary expansions have record numbers of consecutive zeros. A218076

a(n) is the largest number such that every subsequence of digits of the number written in base n is prime. A282509

Number of partitions in parts not of the form 21k, 21k+3 or 21k-3. Also number of partitions with at most 2 parts of size 1 and differences between parts at distance 9 are greater than 1. A35981