The eight digits of Π beginning from 242,422 places after the decimal point are 42424242.
Category 42 in Mathematics
42 days
10! (i.e. 10 factorial) seconds is exactly 42 days.
That’s odd
Here’s an odd calculation: ((1 * 2 * 3) – 4 + 5) * 6 = 42
Protons
The integer part of the square root of proton mass divided by electron mass equals 42.
The Planck length & Earth
The planet Earth is 42 orders of magnitude larger than the Planck Length. The Planck length being the shortest distance man has been able to measure, time and space merge below this length. The Planck Length is 1 x 10^-35m.
Integer Partitions
42 is the number of integer partitions in 10 (p(10)).
Base 4
42 = 2224 repeats a single digit in base 4.
Sum of 3 squares
42 has the unique representation 42 = 12 + 42 + 52 as the sum of 3 squares.