Someone Makes This A Necklace (emirp) #shorts @Vsauce2

Vsauce2 | Someone Makes This A Necklace (emirp) #shorts @Vsauce2 | Uploaded 2 years ago | Updated 12 hours ago
Some recreational mathematicians call this sort of thing a "Digital Bracelet" because it's a circular arrangement of digits that has no clear beginning, end, or even direction. The digits 1, 9, 3, 9, 3, 9 can be progressively transposed to create a fluid circle of 6-digit prime numbers that works forward and backward.

You can start with any digit on this circle and move in either direction to generate a prime. The pattern is both simple and mathematically beautiful -- and THAT is why someone needs to make this into a necklace.

#vsauce #education #maths

The Dangerous Math Used To Predict Criminals

$2/3 Doesnt SEEM Like a Big Deal, But It Is #shorts Think about how people discovered fractions and what problem they were meant to solve. How do we take a thing and express its division into smaller equal parts? A lot of little somethings add up to 1... until 2/3 came along. Using a numerator that isnt 1 doesnt sound like much, but it was a massive conceptual leap for humanity. #shorts$

$The 24 Card Math Game #shorts The 24 game that originated in China is a fast-paced 2-player game of number manipulatiin. Your goal is to take the integers of the 4 cards on the table and turn them into the number 24, and any mathematical operation is fair game. Add, subtract, divide, multiply, fractions, exponents, factorials... anything goes, as long as the end result is 24 and your math checks out. The rules are simple: aces are worth 1, face cards are worth 10, and the other numbers are themselves. Each player flips 2 cards and the first to invent a combination yielding 24 puts all 4 cards at the bottom of their stack. Keep going until one player has all the cards, and then PLAY AGAIN. #shorts$