Created
July 31, 2011 18:36
-
-
Save AstraLuma/1117063 to your computer and use it in GitHub Desktop.
Page to continuously factor the timestamp
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head><title>ufactor</title> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script> | |
| <script> | |
| function factor(n) { | |
| if (n == 0 || n == 1) return []; | |
| f = 2; | |
| s = Math.sqrt(n); | |
| while (n%f != 0) { | |
| if (f > s) return [n]; | |
| f += 1; | |
| } | |
| return [f].concat(factor(Math.floor(n/f))); | |
| } | |
| function now() { | |
| return Math.floor((new Date()).getTime() / 1000); | |
| } | |
| $(function () { | |
| setInterval(function () { | |
| var time = now(); | |
| var factors = factor(time); | |
| $('#time').text(time); | |
| if (factors.length == 0) { | |
| $('#factor').text("Mathematically ambiguous"); | |
| } else if (factors.length == 1) { | |
| $('#factor').text("prime"); | |
| } else { | |
| /*var powers = [[factors[0], 1]]; | |
| for (var n in factors.slice(1)) { | |
| if (n == powers[powers.length-1][0]) { | |
| powers[powers.length-1][1] += 1; | |
| } else { | |
| powers.push([n, 1]); | |
| } | |
| } | |
| function fmt(b,n) { | |
| if (n == 1) { | |
| return new String(b); | |
| } else { | |
| return b+'^'+n; | |
| } | |
| } | |
| var rv = []; | |
| for (var pow in powers) { | |
| rv.push(fmt(pow[0], pow[1])); | |
| }*/ | |
| $('#factor').text(factors.join(' * ')); | |
| } | |
| }, 1000); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <span id="time">0</span> = <span id="factor"></span> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment