My new favourite game – finding self-locating strings of numbers in the decimal expansion of pi. They play a very important role for objects known as ‘loops’… See if you can find your own here.
You can find more Numberphile videos featuring Tom here.
TOM ROCKS MATHS 
16470 is a self locating number and it is first appeared at position 1602 then how can self locating number be dead ends??
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Very good point Prashant – you’re right that this number isn’t a dead end, but some of the others are! 1 for example is the end of a LOT of loops…
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here is a pi search page https://www.angio.net/pi/
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