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
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.
Oh, dude, consecutive identical digits are just fancy words for when you have the same number back-to-back. Like when you see 22 or 777 in a row. It's not rocket science, just a fun little pattern that shows up in numbers.
2014 ( The sum of the digits = 7, a prime number )
23