829521

Appears in sequences

• Numbers m such that m^2 + (reversal of m)^2 is a square. (Leading 0's are ignored.)at n=5A068536
• Highly composite deficient numbers: deficient numbers k whose number of divisors d(k) > d(m) for all deficient numbers m < k.at n=20A302934
• a(n) is the least number with n factorizations into S-primes (numbers 4k+1 with no proper divisors > 1 of form 4m+1).at n=6A321337
• Where the number of divisors d(k) reaches a new record for numbers k whose prime factors are of the form 4*j+3.at n=16A326313
• Total number of nodes in all walks on cubic lattice starting at (0,0,0), ending at (0,0,n), remaining in the first (nonnegative) octant and using steps which are permutations of (-2,1,2), (-1,0,2), (-1,1,1), (0,0,1).at n=8A328268
• Deficient numbers k > 1 such that k*p is abundant for all primes p dividing k.at n=30A341358