Properties of the Number -131882

One Hundred Thirty-One Thousand Eight Hundred Eighty-Two

Basics

Value: -131883 → -131882 → -131881

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 23 × 47 × 61

Divisors: 1, 2, 23, 46, 47, 61, 94, 122, 1081, 1403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -100000001100101010

Octal: -401452

Duodecimal: -643A2

Hexadecimal: -2032a

Square: 17392861924

Square Root: 363.15561402792605

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

Numbers k such that σ(φ(k)) = σ(k) where σ is the sum of divisors function A000203 and φ is the Euler totient function A000010. A33631

1/4 the number of (n+1) X 7 binary arrays with all 2 X 2 subblock sums the same. A183983

a(n) = ∑_k=1..n 2^{n mod k}. A198383

Numbers n such that n³²+1 and (n+2)³²+1 are both prime. A217992