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2. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

   www.aol.com/entertainment/20-off-raycon-earbuds...

   These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

3. Perfect number - Wikipedia

   en.wikipedia.org/wiki/Perfect_number

   Perfect number. In number theory, a perfect number is a positive integer that is equal to the sum of its positive proper divisors, that is, divisors excluding the number itself. For instance, 6 has proper divisors 1, 2 and 3, and 1 + 2 + 3 = 6, so 6 is a perfect number. The next perfect number is 28, since 1 + 2 + 4 + 7 + 14 = 28.

4. Friendly number - Wikipedia

   en.wikipedia.org/wiki/Friendly_number

   The numbers 1 through 5 are all solitary. The smallest "friendly number" is 6, forming for example, the "friendly" pair 6 and 28 with "abundancy" σ (6) / 6 = (1+2+3+6) / 6 = 2, the same as σ (28) / 28 = (1+2+4+7+14+28) / 28 = 2. The shared value 2 is an integer in this case but not in many other cases. Numbers with "abundancy" 2 are also ...

5. GS1 DataBar Coupon - Wikipedia

   en.wikipedia.org/wiki/GS1_DataBar_Coupon

   GS1 DataBar barcode symbol encoding a GTIN-12 number. GS1 DataBar Stacked Omni-Directional barcode symbol encoding 00123456789012. The GS1 Databar Coupon code has been in use in retail industry since the mid-1980s. At first, it was a UPC with system ID 5. Since UPCs cannot hold more than 12 digits, it required another barcode to hold additional ...

6. Coupon collector's problem - Wikipedia

   en.wikipedia.org/wiki/Coupon_collector's_problem

   In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be bought ...

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   Best Black Friday Lightning Deals for kitchen. 22% off the Val Cucina Infrared Heating Air Fryer Toaster Oven. 20% off the LoafNest Incredibly Easy Artisan Bread Kit. 23% off the Coffee Gator ...

8. Highly composite number - Wikipedia

   en.wikipedia.org/wiki/Highly_composite_number

   The sequence of highly composite numbers (sequence A002182 in the OEIS) is a subset of the sequence of smallest numbers k with exactly n divisors (sequence A005179 in the OEIS ). Highly composite numbers whose number of divisors is also a highly composite number are. 1, 2, 6, 12, 60, 360, 1260, 2520, 5040, 55440, 277200, 720720, 3603600 ...

9. Long division - Wikipedia

   en.wikipedia.org/wiki/Long_division

   Example with multi-digit divisor Animated example of multi-digit long division. A divisor of any number of digits can be used. In this example, 1260257 is to be divided by 37. First the problem is set up as follows: 37)1260257 Digits of the number 1260257 are taken until a number greater than or equal to 37 occurs.