This article may not meet the general notability guideline. Please help to establish notability by adding reliable, secondary sources about the topic. If notability cannot be established, the article is likely to be merged or deleted. (October 2009)

The base-64 system is a numeral system with 64 as its base. It is the largest power-of-two base that can be represented using single printable ASCII characters. This has led to its use as a transfer encoding in the Base64 binary-to-text encoding scheme for e-mail among other things.

This mathematics-related article is a stub. You can help Wikipedia by expanding it. v • d • e