77457601

Appears in sequences

• Positive integers k such that k divides 14^k - 1.at n=22A014956
• Numbers k that divide 8^k + 5^k.at n=21A045597
• Nonnegative integers c such that there are nonnegative integers a and b that satisfy a^(1/2) + b^(1/2) = c^(1/2) and a^2 + b = c.at n=26A135509
• Odd squares k for which A379113(k) > 1, i.e., k that have a proper unitary divisor d > 1 such that A048720(A065621(sigma(d)),sigma(k/d)) is equal to sigma(k).at n=27A379121