81 and 162 are both multiples of 3. In mathematics, a number that can be divided by another number without leaving a remainder is said to be divisible by that number. Both 81 and 162 can be evenly divided by 3, making them multiples of 3.
one
Just 1.
1. The numbers are co-prime
27 54 81 108 135 ..... just keep adding 27 each time
nine is goes in to the number 81
The atomic number 81 on the periodic table corresponds to the element Thallium (Tl). It is a soft, malleable metal that is often used in electronic components, alloys, and in some types of thermometers.
The lowest whole number that goes into 35, 81, and 15 is one. There is no larger number.
1 x 81, 3 x 27, 9 x 9.
81 and 162 are both multiples of 3. In mathematics, a number that can be divided by another number without leaving a remainder is said to be divisible by that number. Both 81 and 162 can be evenly divided by 3, making them multiples of 3.
The number is 1.
if you add the digits of the number such as 81 8+1=9 every time, the digits of the number will add up to 9
one
1 and 3.
Just 1.
1, 3, 7, 21.
The atomic number of thallium (Tl) is 81, which represents the number of protons in the nucleus. Since thallium is a stable element, the number of protons and neutrons in its nucleus should be equal. Therefore, the number of neutrons in a thallium atom is also 81.