Number 1
"About a number" Calculator
What is number 1?
| Number spelling | One |
| Ordinal spelling | first |
| Number length | 1 |
| Sum of digits | 1 (1) |
| Multiplication of digits | 1 (1) |
| Parity | Odd |
| 1 in Roman Numerals | I |
| 1 in Binary | 1 |
| 1 in Hexadecimal | 1 |
| 1 seconds | 1 second |
| Unix Timestamp 1 as a Date | 01/01/1970, 12:00:01 am |
| 1 is a Prime number? | No |
| Previous Prime Number | N/A |
| Next Prime Number | 2 |
| Factorization, All prime factors of 1 | 1 |
| Factors of 1 | 1 |
| Number 1 as QR Code |  |
| Number 1 as Barcode |  |
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About "About a number" Calculator
This calculator will show all facts for a given number. For example, it can help you find out what is number 1? Enter number (e.g. '1') and hit the 'Calculate' button.