28263827

Appears in sequences

• Positive integers n for which n = f(n), where f(n) is the total number of 2's required when writing out all numbers between 0 and n.at n=0A101639
• a(n) is the smallest number x > 1 such that n appears as a substring of the decimal representations of the numbers [0..x] exactly x times.at n=1A163500
• a(n) is the smallest number x such that the decimal representation of n appears as a substring of the decimal representations of the numbers [1...x] >= x times.at n=2A164935
• Numbers k such that the number of times digit 'm' used for writing the decimal representation between 1 to k is equal to k for at least one value of m in the range m = 1 to 9.at n=27A216400
• Base-ten n containing a digit making its n-th appearance in the list of consecutive positive integers.at n=27A339752