Perfect totient numbers: Difference between revisions
m
→{{header|ALGOL 68}}
m (→{{header|Phix}}: added syntax colouring, marked p2js compatible) |
|||
Line 40:
=={{header|ALGOL 68}}==
<lang algol68>BEGIN # find the first 20 perfect totient numbers #
# returns the number of integers k where 1 <= k <= n that are mutually prime to n #
| |||