Sixteen , 16 in figures from the so-called Indian-Arabic numbering is a natural number that follows 15 and precedes 17. It is also a positive integer.
Summary
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- 1 Arithmetic
- 2 Algebra
- 3 Different bases
- 4 Sources
- 5 See more
Arithmetic
- cardinal: you say
- ordinal: sixteenth
- sixteenth
- It’s an even number
- its natural divisors are 1,2,4,8 and 16.
- it’s a perfect square
- It is a fourth power of a natural number.
- it is evenly divisible by the set of even numbers, since 16 ÷ 8 is 2; or 16 ÷ 4 = 4
Modular arithmetic
- 16 ~ 0 (mod a) where a = 2,4,8,16
- 16 ~ 1 (mod b) here b = 5.15
- 16 ~ 3 (mod c) where c = 6, 12
Algebra
- The set of modulo 16 residues, with the addition of residues, is an abelian additive group.
- number 1 has 16 sixteenth roots, of these some are primitive roots.
- In the additive group of integers, its opposite is -16
- In the multiplicative group of positive rationals it is 1/16
- absolute value of 16 and -16
Different bases
- Binary 10000
- quaternary 100
- octal 20
- duodecimal 14
- hexadecimal 10, used in computing
