There is no space between the number and these superscript-style unit symbols.
From the en.wikipedia.org
Here the superscript is one of the two musical isomorphisms, and is the Hodge dual.
From the en.wikipedia.org
Others, like Wade-Giles, use superscript numbers at the end of each syllable.
From the en.wikipedia.org
Hi there,Yes, the superscript formatting didn't translate properly from the print version.
From the newscientist.com
Hey, how or where do u get the superscript characters to show aspiration?
From the en.wikipedia.org
Habits, is to use a repeat ref, but keeping the page numbers in the text as superscript.
From the en.wikipedia.org
This is derived from the IPA convention of indicating other releases with a superscript.
From the en.wikipedia.org
Wade-Giles uses superscript numbers to indicate tone, and official Pinyin uses diacritics.
From the en.wikipedia.org
This meant that the same matrix could be used for both superscript and subscript numbers.
From the en.wikipedia.org
More examples
Written or printed above and to one side of another character
A subscript or superscript is a number, figure, symbol, or indicator that is smaller than their normal line of type and is set slightly below or above it. Subscripts appear at or below the baseline, while superscripts are above...
A type of lettering form that appears as a number, figure, or symbol above the normal line of type, located at the right or left of another symbol or text
(Superscripts) The caret and parenthesis will replace superscripts. With this convention v^(x)^ is written for "v to the x power."
The small characters set above the normal letters or figures.
If you want a superscript letter (or word) by each word, like this^i or this^term
A number, written in the text, above the line, to denote a citation in a footnote, endnote or reference list.
Character or characters printed slightly above the surrounding text in smaller type. Often used in mathematical or technical notation or to indicate footnotes or endnotes.
A character slightly smaller than the rest of the font, set above the baseline, used for footnote markers and sometimes as the numerator of fractions.