# Integers with preceding zero don't return as expected? **URL:** \ **Category:** Ruby\ **Created:** [May 8, 2008, 5:09pm UTC](https://www.ruby-forum.com/t/integers-with-preceding-zero-dont-return-as-expected/137062 "2008-05-08T17:09:28Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![rogerdpack](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/45deac/32.png) [@rogerdpack](https://www.ruby-forum.com/u/rogerdpack)\ **Post date:** [May 8, 2008, 5:09pm UTC](https://www.ruby-forum.com/t/integers-with-preceding-zero-dont-return-as-expected/137062/1 "2008-05-08T17:09:28Z")
09:02:40 ~ $ irb > > 07023 > > =\> 3603 Thoughts? Huh? -R ---
**Author:** ![rogerdpack](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/45deac/32.png) [@rogerdpack](https://www.ruby-forum.com/u/rogerdpack)\ **Post date:** [May 8, 2008, 5:19pm UTC](https://www.ruby-forum.com/t/integers-with-preceding-zero-dont-return-as-expected/137062/2 "2008-05-08T17:19:34Z")
Roger P. ha scritto: > 09:02:40 ~ $ irb > > > > 07023 > > =\> 3603 > > Thoughts? Huh? > -R With a preceding zero you are specifying an octal digit. Andrea ---
**Author:** ![rogerdpack](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/45deac/32.png) [@rogerdpack](https://www.ruby-forum.com/u/rogerdpack)\ **Post date:** [May 8, 2008, 5:21pm UTC](https://www.ruby-forum.com/t/integers-with-preceding-zero-dont-return-as-expected/137062/3 "2008-05-08T17:21:56Z")
On Fri, May 9, 2008 at 12:09 AM, Roger P. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > A leading zero makes it octal. Harry ---
**Author:** ![rogerdpack](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/45deac/32.png) [@rogerdpack](https://www.ruby-forum.com/u/rogerdpack)\ **Post date:** [May 8, 2008, 5:25pm UTC](https://www.ruby-forum.com/t/integers-with-preceding-zero-dont-return-as-expected/137062/4 "2008-05-08T17:25:43Z")
> A leading zero makes it octal. > Thanks guys. > -R ---
**Author:** ![rogerdpack](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/45deac/32.png) [@rogerdpack](https://www.ruby-forum.com/u/rogerdpack)\ **Post date:** [May 8, 2008, 5:29pm UTC](https://www.ruby-forum.com/t/integers-with-preceding-zero-dont-return-as-expected/137062/5 "2008-05-08T17:29:03Z")
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Roger P. wrote: | 09:02:40 ~ $ irb |\>\> 07023 | =\> 3603 | | | Thoughts? Huh? | -R Implicit conversion of an octal number to a decimal, looks like. 07023 octal is 3603 decimal. A leading 0 usually signifies the use of octal, instead of decimal numbers, so Ruby does the right thing, just not in the way expected. * * * Phillip G. Twitter: [twitter.com/cynicalryan](http://twitter.com/cynicalryan) Blog: [http://justarubyist.blogspot.com](http://justarubyist.blogspot.com) ~ - You know you’ve been hacking too long when… …you “woke up” this morning and thought, “I’ll checkpoint here, snooze a bit more and then revert to checkpoint.” A while later you go up another consciousness notch and realize that you hadn’t checkpointed successfully - “Oh, of course. I didn’t have the keyboard.” -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - [http://enigmail.mozdev.org](http://enigmail.mozdev.org) iEYEARECAAYFAkgjG9cACgkQbtAgaoJTgL9gcwCfRzPMYBHE1OVCJ5h+Ti6oq2iI ci8An3KmX/NO/ys8e9eulNHUEz9eek+J =IMZQ -----END PGP SIGNATURE-----