Properties of the Number 18867

Eighteen Thousand Eight Hundred Sixty-Seven

Basics

Value: 18866 → 18867 → 18868

Parity: odd

Prime: No

Previous Prime: 18859

Next Prime: 18869

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 19 × 331

Divisors: 1, 3, 19, 57, 331, 993, 6289, 18867

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100110110011

Octal: 44663

Duodecimal: AB03

Hexadecimal: 49b3

Square: 355963689

Square Root: 137.35719857364595

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

Numbers that are the sum of seven fourth powers in six or more ways. A345572

Numbers that are the sum of seven fourth powers in exactly six ways. A345828

Numbers with multiplicative persistence value 6. A46515

a(n) = a(n-1) + a(n-3) + a(n-4), n >= 4, with initial terms 1,-1,2,3. A111574

a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 2, a(2) = 1, a(3) = 3. A295678

Composite numbers whose multiplicative persistence is 6. A199996

Smallest power of 8 that begins with n. A18867

Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A299717