455625

Appears in sequences

• Numbers of form 5^i*9^j, with i, j >= 0.at n=31A025624
• Least number with exactly n odd divisors.at n=34A038547
• Odd numbers divisible by exactly 10 primes (counted with multiplicity).at n=15A046323
• a(n) = Product{k|n} k^(n/k); product is over the positive divisors of n.at n=14A066841
• a(n) = (4*n^2 - 1)^2.at n=13A069075
• a(n)=n^2 times nearest cube to n^2.at n=25A077112
• Coefficients of power series A(x) consist entirely of squares, where A(x) = A083352(x)^2 + A083352(x) - 1.at n=34A083353
• Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in a cycle of length 18.at n=3A096890
• a(n) = ( n*(n+2) )^2.at n=25A099761
• Numbers which when chopped into one, two or more parts, added and squared result in the same number.at n=18A104113
• Values a of a Bhaskara pair (a,b), a<=b, sorted by value of b. A Bhaskara pair (a,b) is such that a^2 + b^2 = X^3 and a^3 + b^3 = Y^2.at n=10A106319
• Smaller member of a Bhaskara pair (excluding Bhaskara twins, that is, include only a < b); a Bhaskara pair (a,b) is such that a^2 + b^2 = X^3 and a^3 + b^3 = Y^2.at n=2A106321
• Squares that remain squares when prefixed with a 9.at n=4A167044
• Squares that remains a square when some single digit is inserted in front of its decimal expansion.at n=32A167045
• Denominator of 1/n^2-1/(n+2)^2.at n=25A171522
• Numbers with 35 divisors.at n=5A175745
• Numbers with prime factorization p^4*q^6.at n=5A190464
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.at n=24A208114
• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y<2z.at n=30A212503
• Numbers having factorization Product_{i=1..m} p(i)^e(i) such that m > 1 and p(i) + e(i) is the same for each i.at n=32A219302