Properties of the Number 18274

Eighteen Thousand Two Hundred Seventy-Four

Basics

Value: 18273 → 18274 → 18275

Parity: even

Prime: No

Previous Prime: 18269

Next Prime: 18287

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 9137

Divisors: 1, 2, 9137, 18274

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011101100010

Octal: 43542

Duodecimal: A6AA

Hexadecimal: 4762

Square: 333939076

Square Root: 135.18135966175217

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

Number of partitions into at most a(1) copies of 1, a(2) copies of 2, ... A52337

Expansion of 1 / ∏_k>=1 (1-x^k-x^2·k). A162891

Number of partitions p of n such that 2*(number of even numbers in p) <= (number of odd numbers in p). A241652

Antidiagonal sums of triangle A186084. A186505

Signed recurrence over strict trees: a(n) = -1 + ∑_{y1 + ... + yk = n, y1 > ... > yk > 0, k > 1} a(y1) * ... * a(yk). A300864

Numbers k such that k²+1, (k+2)²+1 and (k+6)²+1 are prime. A302021

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 817", based on the 5-celled von Neumann neighborhood. A273648

Number of 4Xn 0..1 arrays with every element equal to 0, 1, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302682

Number of partitions satisfying cn(0,5) + cn(2,5) + cn(3,5) <= cn(1,5) + cn(4,5). A39879

Sum of the distances between the 2ⁿ vertices in the De Bruijn Graphs on words of length n on alphabet {0,1}. A58052