1101001001

Appears in sequences

• Primes consisting only of digits 0 and 1 occurring with equal frequency.at n=14A087510
• "Binary prime squares": a(n) = n^2 written in base 2 and interpreted as a base-10 number, if that number is prime; a(n) = 0 otherwise.at n=28A108322
• "Binary prime squares": squares whose binary expansions, read as decimal expansions, are primes.at n=0A108323
• Emirps with digits 0 and 1 only.at n=10A155512
• Larger of emirps (pairs) with digits 0 and 1 only.at n=4A155514
• Smallest binary square that begins with the binary expansion of n.at n=26A272681