Properties of the Number 66993

Sixty-Six Thousand Nine Hundred Ninety-Three

Basics

Value: 66992 → 66993 → 66994

Parity: odd

Prime: No

Previous Prime: 66977

Next Prime: 67003

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 137 × 163

Divisors: 1, 3, 137, 163, 411, 489, 22331, 66993

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010110110001

Octal: 202661

Duodecimal: 32929

Hexadecimal: 105b1

Square: 4488062049

Square Root: 258.8300600780365

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 maximal subsets of {1..n} such that it is possible to choose a different binary index of each element. A370640

Natural growth of an aliquot sequence driven by a perfect number 2^p-1*((2^p) - 1). A146556

a(n) = 7ⁿ mod 2ⁿ. A138616

Integer of the form φ(n)*σ(n)/n. A66993