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Diffstat (limited to 'python/063-powerful_digit_counts.py')
| -rw-r--r-- | python/063-powerful_digit_counts.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/python/063-powerful_digit_counts.py b/python/063-powerful_digit_counts.py new file mode 100644 index 0000000..4dc0b76 --- /dev/null +++ b/python/063-powerful_digit_counts.py @@ -0,0 +1,22 @@ +### +# Powerful digit counts +# Problem 63 +# +# The 5-digit number, 16807=7^5, is also a fifth power. Similarly, the 9-digit number, 134217728=8^9, is a ninth power. +# How many n-digit positive integers exist which are also an nth power? +### + +import itertools + +count = 0 + +for n in itertools.count(1): + for e in range(1, 400): + x = n ** e + l = len(str(x)) + if l == e: + print(n, "^", e, "=", x) + count += 1 + print(count) + elif l > e: + break |
