Properties of the Number 99663

Ninety-Nine Thousand Six Hundred Sixty-Three

Basics

Value: 99662 → 99663 → 99664

Parity: odd

Prime: No

Previous Prime: 99661

Next Prime: 99667

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 139 × 239

Divisors: 1, 3, 139, 239, 417, 717, 33221, 99663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010101001111

Octal: 302517

Duodecimal: 49813

Hexadecimal: 1854f

Square: 9932713569

Square Root: 315.69447255218137

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 subsets of {1,...,n} containing a subset of the form {k,k+1,k+3} for some k. A209400

Least count k that deletes the alternate (odd) numbers in the Josephus problem for a circle of numbers 1, 2, 3, ... 2·n, leaving the even numbers undeleted. A198791

a(n) is the largest prime before A002276(n). A99663