Properties of the Number 99099

Ninety-Nine Thousand Ninety-Nine

Basics

Value: 99098 → 99099 → 99100

Parity: odd

Prime: No

Previous Prime: 99089

Next Prime: 99103

Digit Sum: 36

Digital Root: 9

Palindrome: Yes

Factorization: 3 ² × 7 × 11 ² × 13

Divisors: 1, 3, 7, 9, 11, 13, 21, 33, 39, 63

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001100011011

Octal: 301433

Duodecimal: 49423

Hexadecimal: 1831b

Square: 9820611801

Square Root: 314.7999364675921

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) = 10²ⁿ⁺¹ - 1 - 9·10ⁿ. A332190

Numbers whose set of base 10 digits is {0,9}. A97256

Palindromes n such that n and n² have same digit sum. A58852

π*denominators of odd raw moments in the distribution of line lengths for lines picked at random in the unit disk. A93529

a(1) = 9, a(n+1) = smallest multiple of a(n) using only composite digits (4,6,8,9,0) and is not divisible by 10. A78238

Dimensions of certain Lie algebra (see reference for precise definition). A133355

The larger companion to the deficient numbers in A212608. A212609

Numbers having four 9's in base 10. A43528

Palindromes greater than 10 whose sum of proper divisors is also a palindrome greater than 10. A227228

Each term is a palindrome such that the sum of its proper divisors is a palindrome > 1. A227947