Properties of the Number -185185

One Hundred Eighty-Five Thousand One Hundred Eighty-Five

Basics

Value: -185186 → -185185 → -185184

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 11 × 13 × 37

Divisors: 1, 5, 7, 11, 13, 35, 37, 55, 65, 77

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101001101100001

Octal: -551541

Duodecimal: -8B201

Hexadecimal: -2d361

Square: 34293484225

Square Root: 430.33126774614

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

Mean of first six positive powers of n, i.e., (n + n² + n³ + n⁴ + n⁵ + n⁶)/6. A59721

a(n) is the smallest number m with n divisors d such that d^m mod m = d. A371513

Odd hexagonal pyramidal numbers. A15225

Fifth column (m=4) of triangle A060098. A60100

Fifth column (m=4) of triangle A060102. A60104

a(n)*n = A112891(n). A112892

Numbers n such that the result of n multiplied by the reversal of n can be split into two numbers a and b of equal length (if the length is odd a leading zero is allowed), where a + b equals n (b can also have a leading zero). A259316

a(n) is the least k that has exactly n proper divisors d such that (-d)^k == -d (mod k). A380393

Multiples of 5291. A178027