Re: 20 Days to the Draft Lottery!!
The number 20 is the number located between 19 and 21.
The number 20 is an even number, as the number ends in 0.
The number 20 has 6 positive factors:
1 × 20
2 × 10
4 × 5
1,2,4,5,10 and 20. These are all the numbers that 20 is divisible by.
The prime factors of 20 are 2 and 5.
The number 20 written as a product of prime factor is 2 × 2 × 5.
The first 12 multiples of 20 are 20,40,60,80,100,120,140,160,180,200,220 and 240. All multiples of 20 are even numbers.
20 doubled is 40 and half of 20 is ten.
The number 20 may also be referred to as a score.
20% as a decimal is 0.2 and 1/5 as a fraction.
20 can be written as the sum of 2 positive square numbers 4 and 16 (since 4+16 =20).
20 can also be written as the product of a square number and a prime number (4 × 5).
20% as a decimal is 0.2 and 1/5 as a fraction.
20 miles is about 32 kilometres (20 × 1.6).
20 pounds is about 9.1 kg (20 ÷ 2.2).
20 gallons is about 90 litres (20 × 4.5).
A 2D shape made up 20 sides is called an icosagon. Likewise, a 3D shape with 20 faces is called an icosahedron.
Other facts about the number 20
In Physics, 20 is the atomic number of Calcium.
In Bingo, 20 is referred to as blind 20 or getting plenty.
Adam Smith is depicted on the 20 pound Bank of England note.
Andrew Jackson is depicted on the 20 dollar US note.
In Lincolnshire, in the United Kingdom, there is a town called Twenty.
