Numbers in base 10 that are palindromic in bases 2, 4, and 16: Difference between revisions
Numbers in base 10 that are palindromic in bases 2, 4, and 16 (view source)
Revision as of 22:15, 24 June 2021
, 2 years agoAdd Python
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23 found: 0 1 3 5 15 17 51 85 255 257 273 771 819 1285 1365 3855 4095 4097 4369 12291 13107 20485 21845
</pre>
=={{header|Python}}==
<lang python>def reverse(n, base):
r = 0
while n > 0:
r = r*base + n%base
n = n//base
return r
def palindrome(n, base):
return n == reverse(n, base)
cnt = 0
for i in range(25000):
if all(palindrome(i, base) for base in (2,4,16)):
cnt += 1
print("{:5}".format(i), end=" \n"[cnt % 12 == 0])
print()</lang>
{{out}}
<pre> 0 1 3 5 15 17 51 85 255 257 273 771
819 1285 1365 3855 4095 4097 4369 12291 13107 20485 21845</pre>
=={{header|Raku}}==
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