Eighteen
| Eighteen | |
|---|---|
| 18th | |
| presentation | |
| Roman | XVIII | 
| dual | 1 0010 | 
| Octal | 22nd | 
| Duodecimal | 16 | 
| Hexadecimal | 12 | 
| Morse code | - - - - - - - | 
| Chinese | 十八 | 
| Mathematical properties | |
| sign | positive | 
| parity | straight | 
| Factorization | |
| Divider | 1, 2, 3, 6, 9, 18 | 
The eighteen (18) is the natural number between seventeen and nineteen . She is straight .
In many countries, reaching the age of eighteen means reaching the age of majority .
In Judaism , eighteen is the numerical value of the Hebrew word Chaj (חַי), which means life. That is why it is sometimes seen as a lucky number. The central prayer of the Jewish liturgy is the Schmone Esre (שמנה עשרי) or Eighteen prayer , which consists in its original form of eighteen requests.
In right-wing extremist circles, the number 18 also stands for Adolf Hitler . The 1 stands for the first letter in the alphabet, the A, and the 8 for the eighth, the H (see right-wing extremist symbols and signs ).
18 denotes an album by the American musician Moby . 18 also denotes a song by the British band One Direction .
See also
- List of all Wikipedia articles with titles starting with eighteen
- List of all Wikipedia articles whose title contains eighteen
- Eighteen



