Properties of the Number 68720

Sixty-Eight Thousand Seven Hundred Twenty

Basics

Value: 68719 → 68720 → 68721

Parity: even

Prime: No

Previous Prime: 68713

Next Prime: 68729

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 5 × 859

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110001110000

Octal: 206160

Duodecimal: 33928

Hexadecimal: 10c70

Square: 4722438400

Square Root: 262.1449980449751

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, when expressed in base 8 and then interpreted in base 10, yield a multiple of the original number. A32551

Duplicate of A032551. A62945

Arithmetic derivative of squares: a(n) = 2·n*A003415(n). A68720