Properties of the Number 99891

Ninety-Nine Thousand Eight Hundred Ninety-One

Basics

Value: 99890 → 99891 → 99892

Parity: odd

Prime: No

Previous Prime: 99881

Next Prime: 99901

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 1009

Divisors: 1, 3, 9, 11, 33, 99, 1009, 3027, 9081, 11099

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000011000110011

Octal: 303063

Duodecimal: 49983

Hexadecimal: 18633

Square: 9978211881

Square Root: 316.05537489496993

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 sum over partitions (q=10), see first comment. A221579

Number of length n primitive (=aperiodic or period n) 10-ary words which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet. A320075

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 17. A31695

Numbers k such that k and k² use only the digits 1, 2, 7, 8 and 9. A137018

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 1, -1), (1, 0, -1), (1, 1, 0)}. A148949

XOR difference triangle of A003188 (Gray code numbers), read by rows. A99891