72223

Properties

Appears in sequences

• Twin primes belonging to packs of four or more twin pairs.at n=17A068220
• Smaller of a pair of consecutive primes having only prime digits.at n=29A082755
• Prime quadruples: 2nd term.at n=30A136720
• Prime numbers containing the string 222.at n=16A166580
• a(1) = 1; for n > 1: a(n) = smallest odd number greater than a(n-1) which does not use any digit used by a(n-1).at n=34A229364
• Prime numbers p such that the set of composite numbers in the range [p+1, nextprime(p)-1] has more than one element and all the elements have the same number of divisors.at n=13A332740
• Prime numbersat n=7148