TYPO3 v8 has reached its end-of-life March 31st, 2020 and is not maintained by the community anymore. Looking for a stable version? Use the version switch on the top left.
You can order Extended Long Term Support (ELTS) here: TYPO3 ELTS.
integer / int
42, -8, -9, 0
(This data type is sometimes used generally though another type would have been more appropriate, like "pixels".)