* {{Code|convert:integer-from-base('42', 5)}} returns {{Code|22}}.
* {{Code|convert:integer-from-base(convert:integer-to-base(123, 7), 7)}} returns {{Code|123}}.
|}
=Dates=
==convert:integer-to-dateTime==
{|
|-
| width='90' | '''Signatures'''
|{{Func|convert:integer-to-dateTime|$ms as xs:integer|xs:dateTime}}<br />
|-
| '''Summary'''
|Converts the specified number of milliseconds {{Code|$ms}} to a dateTime item.<br />
|-
| '''Examples'''
|
* {{Code|convert:integer-to-dateTime(0)}} returns {{Code|1970-01-01T00:00:00Z}}.
* {{Code|convert:integer-to-dateTime(1234567890123)}} returns {{Code|2009-02-14T00:31:30.123Z}}.
|}
==convert:dateTime-to-integer==
{|
|-
| width='90' | '''Signatures'''
|{{Func|convert:dateTime-to-integer|$ms as xs:integer|xs:dateTime}}<br />
|-
| '''Summary'''
|Converts the specified number of milliseconds {{Code|$ms}} to a dateTime item.<br />
|-
| '''Examples'''
|
* {{Code|convert:dateTime-to-integer(xs:dateTime('1970-01-01T00:00:00Z'))}} returns {{Code|0}}.
|}