The number is 23.
The smallest prime number in which all of the digits are also prime is 2.The smallest multi-digit prime number in which all of the digits are also prime is 23.
It would probably refer to a digit that is a prime number, or a composite number. Note that mathematicians normally talk about prime and composite NUMBERS, not individual digits.
The 2-digit multiples of 11 all have identical digits.
73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
The number 11 is prime and has two identical digits.
11 is the only prime number with identical digits. After 11 all numbers with identical digits can be divided by atleast 11 or 3.
2 x 3 x 11 = 66
Consecutive identical digits could be digits that are the same and appear next to one another in a number. For example, the hundreds and tens digits in 1442 could be considered consecutive identical.
No, reversing the order of the digits of a two-digit prime number does not always result in a prime number.
The number is 23.
The smallest prime number in which all of the digits are also prime is 2.The smallest multi-digit prime number in which all of the digits are also prime is 23.
It would probably refer to a digit that is a prime number, or a composite number. Note that mathematicians normally talk about prime and composite NUMBERS, not individual digits.
The 2-digit multiples of 11 all have identical digits.
73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
2014 ( The sum of the digits = 7, a prime number )
23