Properties of the Number -131641

One Hundred Thirty-One Thousand Six Hundred Forty-One

Basics

Value: -131642 → -131641 → -131640

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 131641

Divisors: 1, 131641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000001000111001

Octal: -401071

Duodecimal: -64221

Hexadecimal: -20239

Square: 17329352881

Square Root: 362.8236486228537

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

Number of distinct characteristic polynomials of n X n matrices with elements {-1, +1}. A272662

Largest prime p(k) > p(n) such that 1/p(n) + 1/p(n+1) + ... + 1/p(k) < 1, where p(n) is the n-th prime. A225671

a(n) is the least prime p such that, if q is the next prime after p and d = q-p, then p-n·d, p+n·d, q-n·d and q+n·d are all prime. A353697

Terms in A006512 containing the digit "6" at least once, such that changing every "6" to a "9" and vice versa yields a larger term in A006512. A123211