75555

Appears in sequences

• Numbers k such that the k-th triangular number contains each of the 10 decimal digits exactly once.at n=19A115939
• Integer part of 4th root of product of first n primes.at n=16A127601
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 7 and 8.at n=31A136916
• Numbers whose digits are prime and which retain this property when multiplied by some 1-digit prime (i.e., one of 2, 3, 5 or 7).at n=27A227922