The phrase "a considerably smaller number" is correct and usable in written English.
It can be used when comparing quantities to indicate that one number is significantly less than another.
Example: "In the recent survey, a considerably smaller number of participants reported feeling satisfied with the service compared to last year."
Alternatives: "a significantly lower number" or "a notably reduced number".
"With the EU introducing its restrictions on some 150 Russians, I think, we did the same for a considerably smaller number of EU member states' citizens," he said.
We represent the microtubule cytoskeleton consisting of N microtubules by a considerably smaller number of the segment chains in the simulation (Nsim).
The H N HSQC spectrum, shown in Figure 7, displayed a considerably smaller number of peaks than would be expected from a well-folded 186-residue protein.
While many respond to at least one screening invitation over multiple invitation rounds, a considerably smaller number respond consistently to all invitations.
Furthermore, this model in conjunction with use of regular expression can detect a considerably smaller number of G4 candidates in the whole human genome with statistical significance.
Neoplasms (IRF 0.6) are the only main disease group causing a considerably smaller number of DALYs per capita in LMIC than in HIC, while still qualifying as only moderately affluence related.
Differential quadrature (DQ) is a numerical technique which can produce highly accurate results by using a considerably small number of grid points.
By using the GDQ method, the natural frequencies can be easily and accurately obtained by using a considerably small number of grid points.
For deterministic global optimization routines the convergence to the global optimum is guaranteed but this approach is only feasible for a considerably small number of parameters.
In Germany about 50% of persons with mental health problems show a need for treatment, and a considerably small number of children and adolescents with mental health problems are actually receiving treatment or are recognized as being in need of treatment [ 9, 18].
During that time, the bridge's considerably smaller number of non-union employees have received a salary increase, something that Tonisson called, "a classic union-busing technique".
