Properties of the Number 6818

Six Thousand Eight Hundred Eighteen

Basics

Value: 6817 → 6818 → 6819

Parity: even

Prime: No

Previous Prime: 6803

Next Prime: 6823

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 487

Divisors: 1, 2, 7, 14, 487, 974, 3409, 6818

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101010100010

Octal: 15242

Duodecimal: 3B42

Hexadecimal: 1aa2

Square: 46485124

Square Root: 82.57118141337206

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) = 1ⁿ + 2ⁿ + 3ⁿ. A1550

Numbers that are the sum of 3 nonzero 8th powers. A3381

Numbers that are the sum of 6 positive 7th powers. A3373

Number of maximal Golomb rulers of length n. A325683

Sum of 8th powers: 1⁸ + 2⁸ + ... + n⁸. A542

Triangle of Salie numbers. A65547

Triangle T(n,k) = sum of the k first n-th powers. A215083

Number of nX2 0..1 arrays with every element unequal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. A304052

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. A304058

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero. A304704