Properties of the Number -130645

One Hundred Thirty Thousand Six Hundred Forty-Five

Basics

Value: -130646 → -130645 → -130644

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 17 × 29 × 53

Divisors: 1, 5, 17, 29, 53, 85, 145, 265, 493, 901

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111111001010101

Octal: -377125

Duodecimal: -63731

Hexadecimal: -1fe55

Square: 17068116025

Square Root: 361.4484748895754

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 that are the hypotenuse of exactly 40 distinct integer-sided right triangles, i.e., k² can be written as a sum of two squares in 40 ways. A97282

Numbers n that are the product of four distinct odd primes and x² + y² = n has integer solutions. A264499

a(n) = n⁴ + 324. A272298

Negated inverse Euler transform of {-1 if n is a triangular number else 0, n > 0} = -A010054. A320784

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (0, -1, 0), (1, -1, -1), (1, 1, 1)}. A149508