10810800
domain: N
Appears in sequences
- Superabundant [or super-abundant] numbers: n such that sigma(n)/n > sigma(m)/m for all m < n, sigma(n) being A000203(n), the sum of the divisors of n.at n=37A004394
- State assignments for n-state machine.at n=8A006845
- Least common multiple of the first n composite numbers.at n=17A025543
- Least common multiple of the first n composite numbers.at n=19A025543
- Least common multiple of the first n composite numbers.at n=18A025543
- Distinct values arising in the sequence of the least common multiples of the first n composite numbers.at n=11A064354
- LCM of numbers <= n and having a factor in common with n.at n=29A066574
- LCM of numbers m such that 1 <= m <= n, m has a common factor with n, but m does not divide n.at n=29A066575
- a(n) = core(1)*core(2)*...*core(n) where core(n) is the squarefree part of n (A007913).at n=12A069260
- Least k such that n*prime(k) <= k*tau(k).at n=25A073066
- LCM of the composite numbers between n and 2n (both inclusive).at n=13A073841
- LCM of the composite numbers between n and 2n (both inclusive).at n=14A073841
- n! divided by product of factorials of all proper divisors of n, as n runs through the values for which the result is an integer.at n=15A075071
- Numbers k such that sigma(k)/k >= sigma(m)/m for all m <= k.at n=38A077006
- Numbers k such that, for all m < k, d_i(k) <= d_i(m) for i=1 to Min(d(k),d(m)), where d_i(k) denotes the i-th smallest divisor of k.at n=27A094783
- Deeply composite numbers: numbers n where sigma_k(n) increases to a record for all sufficiently low (i.e., negative) values of k.at n=30A095848
- Numbers j where sigma_k(j) increases to a record for all real values of k.at n=28A095849
- Minimal numbers having in canonical prime factorization at least one factor p^e such that e+1 is not prime, p prime and e>0.at n=29A099317
- Smallest highly composite number(A002182) with n digits.at n=7A120585
- Triangle read by rows: T(m,l) = number of labeled covers of size l of a finite set of m unlabeled elements (m >= 1, 1 <= l <= 2^m - 1).at n=18A133709