289999

Properties

Appears in sequences

• Smallest prime q of form q=-1+(c+1)*10^w, where c runs through composites not divisible by 3.at n=9A073928
• Primes with digit sum = 46.at n=1A106777
• a(n) is the minimum number whose product of digits contains n digits.at n=5A329537
• Smallest prime obtained by appending one or more 9's to n, -1 if no such prime exists.at n=27A373859
• Prime numbersat n=25224