Properties of the Number 99129

Ninety-Nine Thousand One Hundred Twenty-Nine

Basics

Value: 99128 → 99129 → 99130

Parity: odd

Prime: No

Previous Prime: 99119

Next Prime: 99131

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 173 × 191

Divisors: 1, 3, 173, 191, 519, 573, 33043, 99129

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11000001100111001

Octal: 301471

Duodecimal: 49449

Hexadecimal: 18339

Square: 9826558641

Square Root: 314.8475821727078

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

Let T(n) be the n-th triangular number n*(n+1)/2; then a(n) = n-th iteration T(T(T(...(n)))). A99129

a(n) = least k such that the prime tower factorizations of k and k+1 both contain the n-th prime. A286068