164000

Appears in sequences

• Coordination sequence for {A_4}* lattice.at n=32A008531
• Numbers n such that phi(n) is a proper substring of n.at n=13A066663
• Numbers n such that the digits of n end in phi(n).at n=14A067206
• Numbers with no 1's in their base-3, base-4, and base-5 expansions. Intersection of A005823, A023709, and A023725.at n=30A117482
• Minimal exponents m such that the fractional part of (3/2)^m reaches a maximum (when starting with m=1).at n=20A153663
• Numbers k such that the fractional part of (3/2)^k is greater than 1-(1/k).at n=9A153664
• Numbers n such that phi(n)/n = 16/41.at n=27A176598
• Composite numbers n such that n - phi(n) is a power of 10.at n=9A248857
• Number of length 4+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.at n=10A249710
• Numbers k such that 1.5^k is closer to an integer than 1.5^m for any 0 < m < k.at n=19A267122
• If n^2 has an even number of digits, write n after the left half of the digits of n^2 and before the right half, otherwise if n^2 has 2t+1 digits, write n after the first t digits of n^2 and before the last t+1 digits.at n=39A274620
• Number x = concat(MSD(x),b) such that MSD(x)*b = phi(x), where MSD(x) is the Most Significant Digit of x and phi(x) is the Euler totient function of x.at n=41A286130