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16 (sixteen) is the natural number following 15 and preceding 17.
| #REDIRECT Numbers (10s) | |
| Cardinal | 16 sixteen |
| Ordinal | 16th sixteenth |
| Factorization | |
| Divisors | 1, 2, 4, 8, 16 |
| Roman numeral | XVI |
| Binary | 10000 |
| Hexadecimal | 10 |
Sixteen is a composite number, its proper divisors being 1, 2, 4 and 8. It is the fourth power of twoIn mathematics, a power of two is any of the nonnegative integer powers of the number two; in other words, two times itself a certain number of times. Note that one is a power (the zeroth power) of two. Written in binary, a power of two always has the for.
Sixteen is the only integer that equals and , for some unequal integral m and n (m=4, n=2, or vice versa). It has this property because . It is also equal to 2↑↑3, (using Knuth's up-arrow notationIn mathematics, Knuth's up-arrow notation is a notation for very large integers introduced by Donald Knuth in 1976. The idea is based on iterated exponentiation in much the same way that exponentiation is iterated multiplication, and multiplication is ite).
16 is a centered pentagonal numberA centered pentagonal number is a centered figurate number that represents a pentagon with a dot in the center and all other dots surrounding the center in successive pentagonal layers. The centered pentagonal number for n is given by the formula. The fir.
16 is the base of the hexadecimal number system, which is used extensively with computertower of a personal computer. A computer is a device for making calculations or controlling operations that are expressible in numerical or logical terms. While factually accurate, this definition and those found in other dictionaries are so broad that ths.
16 is the age limit for being allowed a driver's licenseEuropean Union are subdivided in different categories. A driver's license ( UK: driving licence US: driver's license or driver license Canada, Australia, New Zealand: driver's licence is an official document which states that a person has the necessary qu in many US states and in Canada, and for getting an adult job in most states and provinces in those countries (as well as, complementarily, dropping out of school). It is also the age of consent for many jurisdictions around the world.
For its coming-of-age signification, it has inspired the titles of many songs, such as "Happy Birthday Sweet Sixteen", "You're Sixteen, You're Beautiful and You're Mine", "Sweet Little Sixteen" and " Sixteen Candles", the last of which was borrowed as the title of a John Hughes movie.