Properties of the Number -185130

One Hundred Eighty-Five Thousand One Hundred Thirty

Basics

Value: -185131 → -185130 → -185129

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 11 ² × 17

Divisors: 1, 2, 3, 5, 6, 9, 10, 11, 15, 17

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -101101001100101010

Octal: -551452

Duodecimal: -8B176

Hexadecimal: -2d32a

Square: 34273116900

Square Root: 430.2673587433748

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

a(n) = ∑_{k=1..n, gcd(n,k) = 1} k³. A53819

Nonsquare integers >= 2 for which the square of its largest prime factor equals the sum of the squares of its other prime factors, with multiplicity. A391874

a(n) is the minimal k such that nextprime(2k+1) - 2k = prime(n) where nextprime(n) is least prime > n. A229512

a(n) = (n+1)*(n+2)²*(n+3)²*(n+4)²*(n+5)*(2n+3)/8640. A107943