Properties of the Number 13418

Thirteen Thousand Four Hundred Eighteen

Basics

Value: 13417 → 13418 → 13419

Parity: even

Prime: No

Previous Prime: 13417

Next Prime: 13421

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 6709

Divisors: 1, 2, 6709, 13418

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11010001101010

Octal: 32152

Duodecimal: 7922

Hexadecimal: 346a

Square: 180042724

Square Root: 115.83609109426992

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 non-isomorphic set-systems of weight n with no singletons. A306005

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 2·x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >= 3, where u = p(2,x), v = 1 + 3·x². A368518

Let r, s, t, u be four permutations of the set { 1, 2, 3, ..., n }; a(n) = minimal value of ∑_i=1..n r(i)*s(i)*t(i)*u(i). A70736

Coordination sequence for root lattice B₃. A22145

Number of partitions of n that contain at least one composite part. A353188

a(n) is the n-th J₆-prime (Josephus₆ prime). A163786

a(n) is the least integer m such that A001006(m) is divisible by prime(n)² or -1 if no such m exists. A354293

Numbers k such that the continued fraction for sqrt(k) has period 29. A20368

Number of 0..1 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 2. A200462

a(n) = A066048(a(n-1) + a(n-2)) with a(0) = 0 and a(1) = 1. A277110