Number 99
The number 99 is a palindrome. It has 6 divisors and a digital root of 9. Explore its full properties below, or find words and phrases with a gematria value of 99.
99
Divisors: 6
1, 3, 9, 11, 33, 99
Sum: 156
Prev Palindromic: 88
19th Palindromic Number
Next Palindromic: 101
Mathematical Properties
Golden Numbern/a
Reduced Digit Sum9
Magic Constant485,199
Digital Root9
Octaln/a(143)
Duodecimal117(83)
Hexadecimal153(63)
Binary1100011
99th Values
Prime523
Triangular4,950
Square9,801
Star58,213
Pentagonal14,652
Cube970,299
Tetrahedral166,650
Square Pyramidal328,350
Fibonaccin/a
Harshad370
Happy Number748