900007

Properties

Appears in sequences

• Happy primes of the form a*10^k + b with single-digit a and b, a > 0, k > 0.at n=25A109902
• Naughty primes: primes in which the number of zeros is greater than the number of all other digits.at n=16A164968
• The n-digit prime with the largest number of zero decimal digits, the largest of these if there are more than one. Zero if no such prime exists.at n=5A177998
• Prime numbersat n=71276