666462

Appears in sequences

• Decimal concatenations of the 6-tuples (d1,d2,d3,d4,d5,d6) with elements in {2,4,6} for which there exists a prime p >= 7 such that the differences between the 7 consecutive primes starting with p are (d1,d2,d3,d4,d5,d6).at n=47A078871
• Numbers whose square starts and ends with exactly 3 identical digits.at n=18A346892
• Positive numbers whose square starts and ends with exactly 444.at n=0A348832