Why is this number everywhere?

Derek and Emily conducted a street survey asking hundreds of people to name a random number between 1 and 100. The number 37 appeared far more frequently than expected.

• People are not good at selecting truly random numbers • Blue and 7 are consistently chosen across dozens of cultures (blue-seven phenomenon) • For two-digit numbers between 1 and 100, 37 is the most commonly selected

The Stanford MIT Jargon File identifies 37 as the random number of choice for computer programmers and describes it as the most commonly chosen number when groups are polled.

A widespread professional magic trick called The 37 Force relies entirely on getting audience members to pick 37 out of thin air by constraining their choices through specific criteria.

Derek conducted the largest random number survey ever, receiving 200,000 responses to a community post asking people to pick a random number between 1 and 100.

• The distribution remained consistent from 10,000 to 100,000 to 200,000 respondents • Numbers like 42 and 69 were excluded as they are culturally significant, not random • The top numbers were 7, 73, 77, and 37

When asked to pick the number they thought the fewest others would pick, 73 and 37 were nearly tied as the most selected, suggesting people perceive them as uniquely random.

Multiples of 10 (90, 80, 70, 60, 50, 40, 30) were the least picked numbers, as people correctly perceive them as less random.

• All top numbers in the survey consisted of digits 3 and 7 • 3 and 7 were the most selected digits in both survey questions • Even numbers feel less random than odd numbers to most people

Prime numbers feel random because they don't appear frequently in everyday life, have no formula for prediction, and can only be found by checking numbers sequentially.

Primes appear past single digits only in composite numbers with multiple dimensions, so people have limited exposure to them in pixel counts, fruit boxes, and square footage.

The prime number theorem gives the approximation that the nth prime occurs around n times the natural log of n, but this is an approximation, not an exact formula.

When tracking the second smallest prime factor of all numbers from 1 to infinity, the median balancing point is exactly 37, meaning half of all numbers have a second prime factor of 37 or less.

• 37 is an irregular prime, a Cuban prime, a lucky prime, a sexy prime, a permutable prime, and a Padovan prime • It has multiple mathematical classifications that give it special significance among primes

If you take a multiple of 37, reverse it, and place a 0 between every digit, the resulting number is still divisible by 37, a property that fascinated a mathematician for an entire month of research.

A mathematician can determine if a six-digit number is divisible by 37 using a specific trick without performing the full division calculation.

The secretary problem involves immediate, final choices like renting an apartment, accepting a job offer, or stopping at a gas station, where you cannot assess all options before deciding.

• Explore and automatically reject the first portion of options to learn what's available • Set a stopping point S and stop rejecting at that point • Select the first option after S that is better than all previously seen options • The success rate equals the percentage of options you explore

The optimal stopping point is at 1 over e, which equals approximately 37%, meaning explore 37% of options and then pick the first option better than those seen, achieving a 37% success rate.

• Works for hiring the best employees • Applies to deciding on the best life partner • Can be applied to time-based decisions, such as spending 3.7 years dating before committing • The 37% rule provides mathematically optimal decision-making in scenarios with sequential, irreversible choices

One man has collected instances of the number 37 appearing in daily life for over 40 years, accumulating over 1,000 objects in his room alone.

• Nutri-Grain granola bars contain 37 grams • A 37-inch yardstick and a jersey with number 37 • A nail with 37 on the head and birthday money totaling $37 • Serial numbers containing 37 on multiple currency bills • Texas state lottery jackpots of $37 million

The collector's journey began in the 1980s after hearing a comedy routine by Charles Fleischer that listed remarkable coincidences about 37, including Shakespeare writing 37 plays and Beethoven's Nine Symphonies having 37 movements.

• Built the first 37 Website in 1994 • Received emails from strangers worldwide for 18 years sharing their own sightings • Maintains a community of dedicated contributors called the 'tireless cabal of 37 people' • Plans to eventually document all collected instances on the website

• 37 is humanity's go-to random number • It is one of the most prominent prime numbers in perception • It represents the ideal number for optimal decision-making through the secretary problem • These factors combine to make 37 feel innately special to human intuition

People seem to subconsciously gravitate toward 37 everywhere, suggesting they naturally recognize its mathematical and practical significance even without conscious understanding.

Making the 37 phenomenon widely known through this video may paradoxically ruin its randomness, as more people will consciously choose 37 in future surveys, knowing it is already the most popular choice.

The collector remains committed to finding and documenting every instance of 37, demonstrating that this number continues to captivate human attention and curiosity across generations.