#four
Live, measured metrics for the hashtag #four from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #four
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-10-09 18:16 UTCNo measured public usage for #four in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-09 18:16 UTCNo related tags with measured usage found for #four.
Live pulse
measured · Mastodon tag timeline · fetched 2026-10-09 18:16 UTCNo recent public posts found for #four on Mastodon. Nothing measured, so nothing shown.
What “four” means
Wiktionary · Wikipediafour/foː/
- nounThe digit or figure 4; an occurrence thereof.
- numeralA numerical value equal to 4; the number after three and before five; two plus two. This many dots (••••)
4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is a square number, the smallest semiprime and composite number, and is considered unlucky in many East Asian cultures.
“4” on Wikipedia (CC BY-SA) →#four across platforms
every network with a public tag surfaceFollow #four straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/four