2002001

Properties

Appears in sequences

• In base 3, 0, together with numbers of the form i00j00k00m00... where i = 1 or 2 and j,k,m,... are 0, 1, or 2.at n=41A261660
• Pseudoprimes to base 4, written in base 4.at n=38A262101
• Primes of the form b*10^(2*k) + b*10^k + 1 for 1 <= b <= 9, k >= 0.at n=14A309739
• Prime numbersat n=149069