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Properties of the Number 16818

Sixteen Thousand Eight Hundred Eighteen

Basics

Value: 16817 → 16818 → 16819

Parity: even

Prime: No

Previous Prime: 16811

Next Prime: 16823

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 2803

Divisors: 1, 2, 3, 6, 2803, 5606, 8409, 16818

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100000110110010

Octal: 40662

Duodecimal: 9896

Hexadecimal: 41b2

Square: 282845124

Square Root: 129.68423188653276

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 divisors of n! with equal prime multiplicities. A336415
Number of partitions of n such that (number parts having multiplicity 1) is a part and (number of 1s) is a part. A241506
Numbers that are the sum of 4 nonzero 4th powers in more than one way. A309763
Numbers that are the sum of four fourth powers in exactly two ways. A344193
T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors. A283130
Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; the n-th Lucas number is in antidiagonal a(n). A57045
a(n) = ceiling(πn/2). A102477
T(n,k)=Number of nXk arrays of permutations of 0..n·k-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 5. A264698
Number of length n word structures with all distinct runs using at most 3 symbols. A351644
Number of nX3 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors. A283125