9 (number) facts for kids
This article is about the number nine. For the year, see 9.
Quick facts for kids
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| Cardinal | nine | |||
| Ordinal | 9th (ninth) |
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| Numeral system | nonary | |||
| Factorization | 32 | |||
| Greek numeral | Θ´ | |||
| Roman numeral | IX | |||
| Unicode symbol(s) | Ⅸ, ⅸ | |||
| Greek prefix | ennea- | |||
| Latin prefix | nona- | |||
| Binary | 10012 | |||
| Ternary | 1003 | |||
| Senary | 136 | |||
| Octal | 118 | |||
| Duodecimal | 912 | |||
| Hexadecimal | 916 | |||
| Amharic | ፱ | |||
| Arabicl | ٩ | |||
| Urdu |  |
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| Armenian numeral | Թ | |||
| Bengali | ৯ | |||
| Chinese/Japanese /Korean numeral |
九 (jiu) 玖 (formal writing) |
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| Devanāgarī | ९ (Nao) | |||
| Greek numeral | θ´ | |||
| Hebrew numeral | ט (Tet) | |||
| Tamil numeral | ௯ | |||
| Khmer | ៩ | |||
| Telugu numeral | ౯ | |||
| Thai numeral | ๙ | |||
Nine is the Arabic number which comes after 8 and before 10. It is an odd number, and is the highest single-digit number. It is also a square number. In Roman numerals, nine can be written as IX.
Images for kids
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Playing cards showing the 9 of all four suits
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Billiards: A Nine-ball rack with the no. 9 ball at the center
See also
In Spanish: Nueve para niños
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9 (number) Facts for Kids. Kiddle Encyclopedia.