Properties of the Number 99399

Ninety-Nine Thousand Three Hundred Ninety-Nine

Basics

Value: 99398 → 99399 → 99400

Parity: odd

Prime: No

Previous Prime: 99397

Next Prime: 99401

Digit Sum: 39

Digital Root: 3

Palindrome: Yes

Factorization: 3 × 17 × 1949

Divisors: 1, 3, 17, 51, 1949, 5847, 33133, 99399

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000010001000111

Octal: 302107

Duodecimal: 49633

Hexadecimal: 18447

Square: 9880161201

Square Root: 315.27606950100096

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 - 6·10ⁿ. A332193

Expansion of (1-x)^-1/(1-2·x-x³). A77852

Define the sequence T(a(0),a(1)) by a(n+2) is the greatest integer such that a(n+2)/a(n+1) < a(n+1)/a(n) for n >= 0. This is T(3,7). A19489

Define the sequence T(a(0),a(1)) by a(n+2) is the greatest integer such that a(n+2)/a(n+1) < a(n+1)/a(n) for n >= 0. This is T(16,36). A22040

Numbers having four 9's in base 10. A43528

Largest palindrome using minimum number of digits with a digit sum = n. A70244

Denominators of rationals (in lowest terms) used in a certain high temperature expansion. A99399

In base 10 lunar arithmetic, a(n) is the smallest number than has exactly n different square roots (or -1 if no such number exists). A202174

Maximum number of backward steps k needed to find a representation of an n-digit decimal number·as a sum of three base-10 palindromes of the form k-th largest base-10 palindrome <= x plus a number representable as sum of two base-10 palindromes from A260255. A262528