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 11:11, 9 December 2021
, 2 years agoadd FreeBASIC
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0 1 3 5 15 17 51 85 255 257 273 771 819 1285 1365 3855 4095 4097 4369 12291 13107 20485 21845
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=={{header|FreeBASIC}}==
<lang freebasic>function ispal( byval n as integer, b as integer ) as boolean
'determines if n is palindromic in base b
dim as string ns
while n
ns += chr(48+n mod b) 'temporarily represent as a string
n\=b
wend
for i as integer = 1 to len(ns)\2
if mid(ns,i,1)<>mid(ns,len(ns)-i+1,1) then return false
next i
return true
end function
for i as integer = 0 to 25000
if ispal(i,16) andalso ispal(i,4) andalso ispal(i,2) then print i;" ";
next i</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|Go}}==
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