#Number19

Live, measured metrics for the hashtag #Number19 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #number19

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.

$110.68/ year · 8-character #name
Claim #number19$110.68/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
1
Recent posts
Mastodon
Recent pace
Mastodon · last 1
0
Avg reactions / post
Mastodon · last 1
Reddit posts / month
Reddit search
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-08-12 16:14 UTC
0
08-06
0
08-07
0
08-08
1
08-09
0
08-10
0
08-11
0
08-12

1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.social (Mastodon public search API) · fetched 2026-08-12 16:14 UTC

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-08-12 16:14 UTC

Everything below is measured over the latest 1 public posts.

Posting hours (UTC)

00:0012:0023:00

Languages: English (1)

Avg boosts / post: 0

Top of the latest posts

  • 🎩✨ Oh, look! The baffling world of magic hexagons, where 19-year-olds celebrate by discussing numbers that even AI needs a nap halfway through explaining. 🤯🔢 Because nothing screams "party" quite like pondering math puzzles that make the

    N-gated Hacker News@ngate002026-08-09 09:01 UTCView post →

What “number19” means

Wiktionary · Wikipedia

number/ˈnʌmbə/

  • nounAn abstract entity used to describe quantity.
  • verbTo label (items) with numbers; to assign numbers to (items).
Full entry on Wiktionary →

A number is a mathematical object used to count, measure, and label. The most basic examples are the natural numbers: 1, 2, 3, 4, 5, and so forth. Individual numbers can be represented in spoken or written language with number words, or with dedicated symbols called numerals; for example, "eleven" is a number word and "11" is the corresponding numeral. As only a limited list of symbols can be memorized, a numeral system is used to represent any number in an organized way. The most common represe

Number” on Wikipedia (CC BY-SA) →

#number19 across platforms

every network with a public tag surface

Follow #number19 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/number19