Properties of the Number 18351

Eighteen Thousand Three Hundred Fifty-One

Basics

Value: 18350 → 18351 → 18352

Parity: odd

Prime: No

Previous Prime: 18341

Next Prime: 18353

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2039

Divisors: 1, 3, 9, 2039, 6117, 18351

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011110101111

Octal: 43657

Duodecimal: A753

Hexadecimal: 47af

Square: 336759201

Square Root: 135.46586285850765

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) = [xⁿ] ∏_k>=1 ((1 + x^2·k-1)/(1 - x^2·k))ⁿ. A296045

Number of compositions of n into distinct parts such that the difference between any two parts is at least two. A327710

Round(1000·x), where·is the solution to x = 3^n-x. A103537

Expansion of 8*η(2*τ)⁸/η(τ)¹⁶ + η(τ/2)⁸/η(τ)¹⁶. A105095

Expansion of ∑_k>=1 (-1 + ∏_j>=1 (1 + j·x^k·j)). A318290

Expansion of Product (1+q^2k-1)^-8*(1+q^4k)^-8, k=1..inf. A34998

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 0), (0, 0, 1), (1, 0, -1), (1, 1, 0)}. A150186

a(0) = 0; for n > 0, a(n) is the least positive integer not occurring earlier such that both the digits in a(n) and the digits in a(n-1)*a(n) are all distinct. A342382

Divisors of 242. A18351