21381376

Appears in sequences

• a(n) = (3*n+2)^4.at n=22A016792
• a(n) = (4*n)^4.at n=17A016804
• a(n) = (5n + 3)^4.at n=13A016888
• a(n) = (6*n + 2)^4.at n=11A016936
• a(n) = (7*n + 5)^4.at n=9A017044
• a(n) = (8*n + 4)^4.at n=8A017116
• a(n) = (9*n + 5)^4.at n=7A017224
• a(n) = (10*n + 8)^4.at n=6A017368
• a(n) = (11*n + 2)^4.at n=6A017416
• a(n) = (12*n + 8)^4.at n=5A017620
• Smallest 4th power that begins with n.at n=21A018798
• Smaller of two successive 4th powers whose sum is a prime.at n=26A075578
• Numbers k such that k is the fourth power of an integer and the sum of digits of k is prime.at n=24A135554
• a(n) = A000404(n)^4.at n=23A135786