An emirp number is a prime number which, when you reverse the digits, produces a different prime number. Therefore, there are no single-digit emirp numbers. The first three emirp numbers are: 13, 17, 31
Yes, 347 is an emirp. An emirp is a prime number that remains prime when its digits are reversed. The reverse of 347 is 743, which is also a prime number. Therefore, both 347 and 743 are primes, confirming that 347 is indeed an emirp.
No, it is not.
197% := 197/100= 1 97/100
118
"emirp" is "prime" spelled backwards. An emirp number is a prime number whose reverse is also a prime. However, palindromic primes are excluded. So 13 / 31 are emirp numbers.
An emirp number is a prime number which, when you reverse the digits, produces a different prime number. Therefore, there are no single-digit emirp numbers. The first three emirp numbers are: 13, 17, 31
No, it is not.
197. the formula is 2n-1
yes 11 reverse 11 still
The factors of 197 are 1 and 197
The factors of 197 are 1 and 197
197% := 197/100= 1 97/100
minus 197
402-197 = 205
197 is not composite, it is prime.
197-231 = -34