727. The smallest palindromic number greater than 500 independent of primicity is 505.
343 is the palindromic and cube number.7*7*7=3437 is being times three times by itself to get this palindromic and cube number.Also 1331 is a palindromic and cube number.11*11*11=133111 is being times three times by itself to get this palindromic and cube number.
Oh, dude, 1331 is not a prime number. It's like the opposite of a prime number, you know? It's actually 11 raised to the power of 3, which makes it a perfect cube. So, yeah, it's not a prime number, but hey, at least it's special in its own nerdy math way.
A palindromic number is a number that is read the same forwards and backwards.
not prime
The only 2-didgit palindromic prime is 11.
U Nu
U Nu.
11
101 is.
No, 11 is the only palindromic prime with an even number of digits.
Aside from single digit primes, the first ten palindromic prime numbers are: 11 101 131 151 181 191 313 353 373 383 727
727. The smallest palindromic number greater than 500 independent of primicity is 505.
11
They are called palindromic primes
It is 77.It is 77.It is 77.It is 77.
202, 212, 222, 232, 242, 252, 262, 272, 282, and 292 are the palindromic numbers between 200 and 300. NONE of them are prime, since they must all end in 2 they are even and so are divisible by 2, so they are not prime.