Regarding the numerical separators: they're for readability, and readability only. They do not change the numbers in any way. 12300 is the same as 123_00 is the

Regarding the numerical separators: they're for readability, and readability only. They do not change the numbers in any way. 12300 is the same as 123_00 is the same as 1_2_3_0_0. Up to you entirely.