Properties of the Number -130304

One Hundred Thirty Thousand Three Hundred Four

Basics

Value: -130305 → -130304 → -130303

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁸ × 509

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 256, 509

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -11111110100000000

Octal: -376400

Duodecimal: -634A8

Hexadecimal: -1fd00

Square: 16979132416

Square Root: 360.9764535257113

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 whose abundance is 2: σ(k) - 2k = 2. A88831

Abundant numbers n for which the abundance d = σ(n) - 2·n is a proper divisor, that is, 0 < d < n and d | n. A181595

Numbers k such that σ(k) == 2 (mod k). A45768

Abundant numbers n such that n/(σ(n)-2n) is an integer. A153501

Near-perfect numbers (A181595) of the form 2^t-1*(2^t-2^k-1), where 2^t-2^k-1 is prime, k>=1, t>k. A181701

Numbers k such that sum of the divisors d of k divides 1 + 2 + ... + k = k(k+1)/2. A76617

Numbers of the form 2^t-1*(2^t-3), where 2^t-3 is prime. A181703

Primitive terms of A388271. A388272

Numbers n whose sum of divisors equals the sum of divisors of 2n+1. A272553

The sum of the non-divisors of n (less than n) is a multiple of the sum of the divisors of n. A66860