554400
domain: N
Appears in sequences
- Highly composite numbers: numbers n where d(n), the number of divisors of n (A000005), increases to a record.at n=35A002182
- 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=28A004394
- Fibonacci numbers written in base 6.at n=24A004689
- Where records occur in A038548.at n=32A004778
- Triangle T(n,k) (n >= 1, 0<=k<=n) giving number of preferential arrangements of n things beginning with k (transposed, then read by rows).at n=38A054255
- Numbers with an increasing number of nonprime divisors.at n=42A059992
- Fifth column sequence of coefficient triangle A062137 of generalized Laguerre polynomials n!*L(n,3,x).at n=4A062143
- Consider the subsets of proper divisors of a number that sum to the number. These are numbers that set a record number of such subsets.at n=33A065218
- Numbers k that are repdigits in more bases (smaller than k) than any smaller number.at n=34A066044
- Least k such that n*prime(k) <= k*tau(k).at n=13A073066
- Highly composite numbers k such that 2*k is not a highly composite number.at n=12A073771
- Numbers k such that sigma(k)/k >= sigma(m)/m for all m <= k.at n=29A077006
- Terms of A025487 which are a multiple of their indices.at n=32A077562
- Number of maximum-length 2-surprising sequences in n symbols.at n=5A089973
- Triangle read by rows: T(n,k) = number of preferential arrangements of n things where the first object has rank k.at n=42A090665
- Numbers n such that, for some numbers (j,k), j<=k, n is the smallest positive multiple of j (or more) of the first k positive integers.at n=39A094348
- Triangle of a(n,m) = number of m-member minimal T_0-covers of an n-set (n >= 0, 0<= m <=n).at n=40A094544
- 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=16A099317
- Magic products of 5 X 5 multiplicative magic squares.at n=16A111031
- Terms in A005179 where prime signature differs from that of corresponding term in A038547.at n=15A122813