my number has 1 thousand, 4 hundreds, twice as many tens and half as many ones of hundreds?

Question

my number has 1 thousand, 4 hundreds, twice as many tens and half as many ones of hundreds?

Answer 1

1482

1000

400

80

2

sum to 1482

twice as many tens as hundreds = 4x2 = 8

half as many ones as hundreds = 4x1/2 = 2

10 years before Columbus sailed the ocean blue in 1492