Properties of the Number 13018

Thirteen Thousand Eighteen

Basics

Value: 13017 → 13018 → 13019

Parity: even

Prime: No

Previous Prime: 13009

Next Prime: 13033

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 23 × 283

Divisors: 1, 2, 23, 46, 283, 566, 6509, 13018

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001011011010

Octal: 31332

Duodecimal: 764A

Hexadecimal: 32da

Square: 169468324

Square Root: 114.09645042682091

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 n such that Bernoulli number B_n has denominator 282. A272184

Number of fixed poly-[3³.4²]-tiles (polyhouses) (holes allowed) with n cells. A197158

Expansion of η(q³) * η(q³³) / ( η(q)* η(q¹¹)) in powers of q. A128663

a(n) = ∑_i=0..n ∑_j=0..n T(i,j), T given by A026725. A26734

Minimum sum of n distinct positive numbers, any n-1 of which sum to a square. A35305

Number of partitions of n having exactly 1 part that appears exactly once. A116596

Numbers k such that 273·2^k-1 is prime. A50895

Partial sums of A006156. A177736

a(n) = ∑_k=1..n prime(k)²*floor(n/prime(k)) . A280385

E.g.f.: cos(sinh(x)+log(x+1))=1-4/2!*x²+6/3!*x³-11/4!*x⁴+10/5!*x⁵... A13018