Count to 1,000

[zurb]

272 is a paladrome
272 AD was a leap year starting on Monday
272 BC was the Year of the Consulship of Cursor and Maximus
Loctite 272 is a high strength threadlocker, but it probably won't manage to lock this thread.

 

[Butterfly88]

 

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274 is even, composite, deficient, and odious.
An odious number contains an odd number of 1's in its binary expansion.

 

[Butterfly88]

 

[tree]

276 is a triangular number
If you start with 276 points on a line,
then draw 276 -1 points above and between,
then 276 -2 above and between them,
& so on, you will get a triangle of points.

276

 

[Butterfly88]

 

[tree]

278 is an even, deficient number.

 

[Butterfly88]

 

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The divisors of 284 are 1, 2, 4, 71, and 142. These add up to 220.
The divisors of 220 add up to 284. This means that the pair [220 & 284]
are amicable numbers. Amicable numbers are two different numbers so
related that the sum of the proper divisors of each is equal to the other
number.

284

 

[Butterfly88]

 

[tree]

286

 

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288

 

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290 is square-free.
A number is 'square-free' if its prime decomposition
contains no repeated factors.

290

 

[Butterfly88]