# Error converting string to number

**URL:** <https://forum.kirupa.com/t/error-converting-string-to-number/285408>\
**Category:** flash\
**Created:** [March 31, 2009, 1:28pm UTC](https://forum.kirupa.com/t/error-converting-string-to-number/285408 "2009-03-31T13:28:10Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![dmitriy](https://avatars.discourse-cdn.com/v4/letter/d/4bbf92/32.png) [@dmitriy](https://forum.kirupa.com/u/dmitriy)\
**Post date:** [March 31, 2009, 1:28pm UTC](https://forum.kirupa.com/t/error-converting-string-to-number/285408/1 "2009-03-31T13:28:10Z")

</div>

I am working on an Flash application that reads data from XML files. I ran into an issue where when Actionscript converts strings to numbers, it returns values different from the initial numeric string. For example:

Original string: 90330135147081210  
Number(“90330135147081210”) returns 90330135147081220

I cannot figure out why it does it. Does anyone have any idea. I tried compiling under both Flash CS3 and CS4, and it always converts incorrectly. Please help.