80089

Appears in sequences

• a(n) = (8n + 3)^2.at n=35A017102
• a(n) = (10*n + 3)^2.at n=28A017306
• a(n) = (11*n + 8)^2.at n=25A017486
• a(n) = (12*n + 7)^2.at n=23A017606
• Squares of primes, with property that all even digits occur together and all odd digits occur together.at n=15A030481
• Squares with initial digit '8'.at n=7A045792
• sigma(n)-n is a perfect square associated with A049226.at n=20A049228
• Powers of a prime lucky number (A031157) but excluding lucky numbers (A000959).at n=23A057609
• Squares composed of digits {0,8,9}, not ending with zero.at n=1A058456
• Composite and every divisor (except 1) contains the digit 8.at n=23A062678
• Composite numbers which in base 8 contain their largest proper factor as a substring.at n=10A063167
• Numbers n such that sigma(d(n^3))==d(sigma(n^2)), where d(n) is the number of divisors of n.at n=20A063797
• Duplicate of A063167.at n=10A063878
• Smallest n-digit square starting with 8.at n=3A067478
• Squares whose arithmetic mean of digits is an integer (i.e., the sum of digits is a multiple of the number of digits).at n=40A069711
• Squares k such that k + pi(k) is a prime.at n=26A073946
• Prime powers of prime numbers such that the sum of its digits is also prime power of prime number.at n=14A076705
• Triangle in which n-th row contains n smallest squares beginning with n.at n=35A077346
• Final terms of rows of A077346.at n=7A077347
• Perfect squares using only the curved digits 0, 3, 6, 8 and 9.at n=10A079655