306000

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 2, 3, 6 and 9.at n=34A136894
• Numbers k such that k and k^2 use only the digits 0, 3, 4, 6 and 9.at n=40A136932
• Numbers k such that k and k^2 use only the digits 0, 3, 5, 6 and 9.at n=32A136939
• Numbers k such that k and k^2 use only the digits 0, 3, 6, 7 and 9.at n=33A136944
• Numbers k such that k and k^2 use only the digits 0, 3, 6 and 9.at n=31A136946
• Numbers with exactly four distinct exponents in their prime factorization, or four distinct parts in their prime signature.at n=27A323025