3222223

Properties

Appears in sequences

• Primes that contain digits 2 and 3 only.at n=24A020458
• Palindromic terms from A019546.at n=19A045336
• Palindromic primes using only two distinct digits and only the exterior digit is different.at n=27A056728
• Palindromic primes with just two distinct prime digits.at n=11A058375
• Primes which are a sandwich of numbers made of only one digit between two 3's.at n=4A068687
• Smallest palindromic prime containing exactly n 2's.at n=4A083973
• Palindromic primes with nonincreasing digits up to the middle and then nondecreasing.at n=33A084837
• Palindromic primes in which all internal digits are 2.at n=3A108846
• Numbers of the form 6*k+1 that use only digits 2 and 3.at n=31A152834
• Primes of form 6k+1 that use only digits 2 and 3.at n=9A153165
• Primes of the form XYYYYYX, where Y is a single digit.at n=3A214291
• Square array T(n,k), n>0 and k>0, read by antidiagonals in ascending order, giving the smallest n*k-digit number that, if arranged in an n X k matrix, form k-digit reversible prime in each row and n-digit reversible prime in each column, or -1 if no such number exists.at n=21A375171
• Square array T(n,k), n>0 and k>0, read by antidiagonals in ascending order, giving the smallest n*k-digit number that, if arranged in an n X k matrix, form k-digit reversible prime in each row and n-digit reversible prime in each column, or -1 if no such number exists.at n=27A375171
• Smallest n-digit reversible prime with only prime digits.at n=6A375261
• Prime numbersat n=231723