Edge Rewrite
// HTMLRewriter · presentation

This page was redesigned at the edge.

Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.

// request.cf · coarse context

A page that knows where it met you.

Only coarse request metadata is shown. This demo does not display or persist visitor IP addresses.

Country
US
Cloudflare location
CMH
Connection
HTTP/2
Language
Not provided

Ray ID: a226b8bcabcf6bf7

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Talk:7744

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Its not a self number since its digit addition generator is 7724 + (7 + 7 + 2 + 4). 141.217.173.161 22:43, 22 Aug 2004 (UTC)

Isolated digits

[edit]

"It is the only known square number which has no isolated digits."

Can anyone tell me what "isolated digits" are in this context?