Arbitrary-precision integers (included)
Author: TimToady
Using the in-built capabilities of your language, calculate the integer value of:
5^{4^{3^2}}
Confirm that the first and last twenty digits of the answer are: 62060698786608744707...92256259918212890625
Find and show the number of decimal digits in the answer.
More
http://rosettacode.org/wiki/Arbitrary-precision_integers_(included)#Raku
What's interesting here?
metaoperator
casting
{} in string
Source code: arbitrary-precision-integers.pl
use v6; my $x = ~[**] 5, 4, 3, 2; say "5**4**3**2 = {substr($x,0,20)}...{substr($x,$x.chars-20)} and has {$x.chars} digits";