Properties of the Number 67998

Sixty-Seven Thousand Nine Hundred Ninety-Eight

Basics

Value: 67997 → 67998 → 67999

Parity: even

Prime: No

Previous Prime: 67993

Next Prime: 68023

Digit Sum: 39

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 1619

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 1619, 3238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100110011110

Octal: 204636

Duodecimal: 33426

Hexadecimal: 1099e

Square: 4623728004

Square Root: 260.76426135496405

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) = 2·a(n-1) - a(n-3) + a(ceiling(n/2)), where a(0) = 1, a(1) = 2, a(2) = 3. A298405

Number of 4-step E, S, NW and NE-moving king's tours on an n X n board summed over all starting positions. A187587

a(n) = n² - 2·n. A67998