Number 61
The number 61 is the 18th prime number. It has 2 divisors and a digital root of 7. Explore its full properties below, or find words and phrases with a gematria value of 61.
61
Divisors: 2
1, 61
Sum: 62
Prev Prime: 59
18th Prime Number
Next Prime: 67
Mathematical Properties
Golden Number4,052,739,537,881
Reduced Digit Sum7
Magic Constant113,521
Digital Root7
Octal49(75)
Duodecimal73(51)
Hexadecimal97(3d)
Binary111101
61st Values
Prime283
Triangular1,891
Square3,721
Star21,961
Pentagonal5,551
Cube226,981
Tetrahedral39,711
Square Pyramidal77,531
Fibonacci2,504,730,781,961
Harshad204
Happy Number409