Number info: 4 (decimal)
Conversion
| Decimal | 4 |
| Binary | 100 |
| Hexadecimal | 0x4 |
| Roman | IV |
Math
| Square root of | 16 |
| Factors | 2 2 |
| The number 4 | is square of 2 |
Miscellaneous
| English | four |
| Wikipedia article about 4 | Article about 4 |
| ASCII code for | End of Transmission |
| The number 4 is a power of | 2 |
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