Mathematics Facts & Trivia  Page 2
1 googol = 10^{100}
1 googolplex = 10^{googol} = 10^{10100 }
(The "Google" website name was inspired by "Googol".) Sciensational.com
111 111 111 × 111 111 111
=
12345678 9 87654321
Sciensational.com
Pi (3.14159...) is a number that cannot be written as a fraction. Sciensational.comSubmitted by: Tiff  Witherbee, United States
The opposite sides of a dice cube always add up to seven. Sciensational.comSubmitted by: Ramesh  Pune, India
21978 when multiplied by 4 is the same number with digits in reverse order:
21978 × 4 = 87912
If you add up the numbers 1100 consecutively (1+2+3+4+5...) the total is 5050. Sciensational.com
The billionth digit of Pi is 9.
1 and 2 are the only numbers where they are the values of the numbers of factors they have. Sciensational.com
2 and 5 are the only prime numbers that end in 2 or 5.
The largest known prime number (so far) is 17,425,170 digits long. Sciensational.comSubmitted by: Mathguy
The digits to the right of the Pi's (3.141...) decimal point can keep going forever, and there is no pattern to these digits at all. Sciensational.com
