99937

Appears in sequences

• Strong pseudoprimes to base 76.at n=37A020302
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 70.at n=2A031658
• Numbers in A070938 that set a new record for digital sums and ending digits.at n=21A070594
• a(n) is the least number k that A074389(k) = n.at n=36A074390
• a(n) is the smallest multiple of n such that a(n) mod 100 = n and S(n)=n where S(n) is the sum of the base-ten digits of n, or 0 if no such a(n) exists.at n=36A075154
• Greatest 3-brilliant number of size n.at n=4A083182
• Numbers k which are concatenations k=x//y such that x^2 + y^2 is a multiple of k.at n=32A162463
• a(n) is the smallest multiple of n such that a(n) ends with n and S(a(n))=n where S(m) is the sum of the base ten digits of m, or 0 if no such a(n) exists.at n=36A187924
• Number of 2 X 2 matrices having all elements in {-n,..,0,..,n} with determinant = permanent.at n=18A280059
• Composite numbers n such that E(n+1)+1 is divisible by n, where E(n) is the n-th Euler number (A122045).at n=38A287934
• Numbers m > 1 such that every prime divisor p of m satisfies s_p(m) = p.at n=31A324458
• Number of 2 X 2 matrices over Z_n whose permanent equals their determinant.at n=36A345754