Number 289
The number 289 is a perfect square (17²). It has 3 divisors and a digital root of 1. Explore its full properties below, or find words and phrases with a gematria value of 289.
289
Divisors: 3
1, 17, 289
Sum: 307
Prev Square: 256
17th Square Number
Next Square: 324
Mathematical Properties
Golden Numbern/a
Reduced Digit Sum1
Magic Constant12,068,929
Digital Root1
Octal2(441)
Duodecimal393(201)
Hexadecimal649(121)
Binary100100001
289th Values
Prime1,879
Triangular41,905
Square83,521
Star499,393
Pentagonal125,137
Cube24,137,569
Tetrahedral4,064,785
Square Pyramidal8,087,665
Fibonaccin/a
Harshad1,304
Happy Number1,976