19 (number) facts for kids
Quick facts for kids
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Cardinal | nineteen | |||
Ordinal | 19th (nineteenth) |
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Factorization | prime | |||
Prime | 8th | |||
Divisors | 1, 19 | |||
Greek numeral | ΙΘ´ | |||
Roman numeral | XIX | |||
Binary | 100112 | |||
Ternary | 2013 | |||
Senary | 316 | |||
Octal | 238 | |||
Duodecimal | 1712 | |||
Hexadecimal | 1316 |
This article is about the number nineteen. For the year, see 19.
Nineteen is a number. It is a whole number that comes right after eighteen and just before twenty. Nineteen is an odd number, which means it cannot be divided evenly by two.
It is also a special kind of number called a prime number. A prime number can only be divided evenly by 1 and itself. Nineteen is the 8th prime number. The prime numbers before it are 2, 3, 5, 7, 11, 13, and 17.
In Roman numerals, which were used by ancient Romans, the number 19 is written as XIX.
Images for kids
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The James Webb Space Telescope features a design of 19 hexagons.
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A 19x19 Go board
See also
In Spanish: Diecinueve para niños
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19 (number) Facts for Kids. Kiddle Encyclopedia.