The phrase "a balanced number" is correct and usable in written English.
It can be used in contexts where you are discussing numbers that have equal or proportional parts, often in mathematics or statistics.
Example: "In this equation, we need to find a balanced number that satisfies both sides equally."
Alternatives: "equally distributed number" or "proportional number".
646 is a nice number, a balanced number, a number easy to remember and, no doubt, to dial.
Because so much of ballet's repertory depends on a balanced number of men and women, boys are encouraged from an early age; the extra weight given to women's choreographic submissions corresponds to the attention male dancers get at auditions and beyond.
A literature review revealed a balanced number of reports for both transvesical and extravesical approaches.
The remaining 20% was the validation set including a balanced number of epileptic and healthy subjects.
Our general procedure starts by resampling the whole database in order to have a balanced number of examples for each class.
The typical review team should also have a balanced number of individuals from different organizations such as company employees, consultants, equipment fabricators.
Our results suggest that FOP requires few changes in source code and a balanced number of added modules, providing better support than other techniques for non-intrusive insertions.
As the concentration of HMTA increases to 50%%, it seems to create a balanced number of OH− and Zn2+ ions to perform the described activities, resulting in high-density, uniform nanorod structures, as shown in Fig. 1c.
T-cell depletion studies confirmed that Ad mediated expression of rEA significantly altered the antigen specific CD4+/CD8+ T cell ratio, fostering induction of a more balanced number of the two antigen specific T-cell subsets in Ad-GFP/rEA treated animals.
All of the families were characterized by a substantial number of apparent gene duplications and probably a roughly balanced number of gene losses (birth-death evolution).
Mr. Mills speculated on the chapel's Web site about the date, theorizing that "the 'go-getting' 1 and the 'sensitive' 2 make this a very balanced number".
