const million = 1_000_000;
console.log(million);
const n = 1_000_00.01_07_3_09;
console.log(n);
const octal= 0o22_31;
console.log(octal);
const hex = 0xfa_32_b0;
console.log(hex);
const binary = 0b1110_1001_1111;
console.log(binary);
/*
run:
1000000
100000.0107309
1177
16396976
3743
*/