Properties of the Number 18514

Eighteen Thousand Five Hundred Fourteen

Basics

Value: 18513 → 18514 → 18515

Parity: even

Prime: No

Previous Prime: 18503

Next Prime: 18517

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 9257

Divisors: 1, 2, 9257, 18514

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100001010010

Octal: 44122

Duodecimal: A86A

Hexadecimal: 4852

Square: 342768196

Square Root: 136.06616037795732

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) = n-th centered n-gonal number. A100119

Numbers m with C(2·m, m) + prime(m) prime, where C(2·m, m) = (2·m)!/(m!)². A236242

Number of permutations of [n] whose lengths of increasing runs are distinct triangular numbers. A317446

Coefficient of q¹ in ν(n), where ν(0)=1, ν(1)=b and, for n>=2, ν(n)=b*ν(n-1)+λ*(1+q+q²+...+q^n-2)*ν(n-2) with (b,λ)=(2,1). A74084

Antidiagonal sums of triangle A097094, where self-convolution forms A097096 (row sums of triangle A097094). A97097

Increasing partial quotients in the continued fraction expansion of the prime constant (A051006). A102878

Expansion of ∏_k>=1 1/(1 - x^prime(k))². A298436

Least m such that if r and s in {1/1, 1/4, 1/9,..., 1/n²} satisfy r < s, then r < k/m < s for some integer k. A24827

Numerators of continued fraction convergents to sqrt(595). A42140

Triangle read by rows: T(n,k) is the number of binary trees with n edges and jump-length equal to k (n >= 0, 0 <= k <= n-2). A127532