Padding Left

# To return a result string in which absent digits or leading zeroes are replaced by spaces, use 
# the composite formatting feature and specify a field width
#    https://docs.microsoft.com/en-us/dotnet/standard/base-types/composite-formatting

# specify 3 spaces
Write-Host ("{0,3:N0} 2345" -f 1)
# Output:
#   1 2345