88999

Appears in sequences

• Smallest composite number with digit sum n.at n=42A067524
• a(n) is the smallest number such that the product of its decimal digits equals n^n, or 0 if no solutions exist.at n=5A068187
• a(n) is the smallest composite number with the sum of digits = the n-th prime number.at n=13A073868
• a(n) = 2 + floor((1 + Sum_{j=1..n-1} a(j))/3).at n=37A120149
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (0, -1, 1), (0, 1, -1), (1, 0, 1), (1, 1, 1)}.at n=8A151001
• a(1)=0, a(n+1) is the smallest nonprime with sum of digits > sum of digits of a(n).at n=39A156673
• Least semiprime whose digital sum is n, or 0 if no such integer exists.at n=43A213653
• Numbers which have only digits 8 and 9 in base 10.at n=37A256341
• The semiprimes which set new records for the sum of their decimal digits.at n=31A257652
• Numbers whose smallest decimal digit is 8.at n=33A284069
• Numbers without a digit 1 with digits in nondecreasing order and the product of digits is a power of 6.at n=38A304392
• Least number k such that the determinant of the circulant matrix formed by its decimal digits is equal to n.at n=43A306593
• 4*a(n) is the maximum possible determinant of a 3 X 3 matrix whose entries are 9 consecutive primes starting with prime(n).at n=29A340923
• The sum of the prime digits of m and the sum of the nonprime digits of m differ by n.at n=42A341161