Properties of the Number -12186

Twelve Thousand One Hundred Eighty-Six

Basics

Value: -12187 → -12186 → -12185

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 677

Divisors: 1, 2, 3, 6, 9, 18, 677, 1354, 2031, 4062

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10111110011010

Octal: -27632

Duodecimal: -7076

Hexadecimal: -2f9a

Square: 148498596

Square Root: 110.39021695784459

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

G.f.: ∏_k>=1 (1 + 2·x^k). A32302

Multiples of 18 containing a 18 in their decimal representation. A121038

Numbers n with property that average digit of n² is s=6. A164778

Dirichlet g.f.: ∏_k>=2 1 / (1 - k^-s)⁹. A339324

a(n) = sum of all divisors of all numbers k such that n² <= k < (n+1)². A168012

Number of partitions of n with odd minimal part and even maximal part. A325345

Expansion of ∏_m>=1 (1 - m·q^m)³. A22663

a(n) = ∑_i=1...n ∑_j=1..i lcm(i,j)/i. A232533

Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically. A207020

Number of partitions p of n such that max(p) - min(p) is a part of p. A238493