Interesting FactsSome interesting facts about Science, some about D|ONE and some "Interesting, but useless information" (IBUI).

Number Category
4

Number of Poker Events per year organized by D|ONE.

D|ONE

9'721'368

The largest decimal number where you can eliminate any digit, and the number formed by the remaining digits are divisible by the eliminated digit.

Interesting but useless info (IBUI)

313

Car number plate of Donald Duck.

Trivia

36y 130d 3h

Average age of D|ONE team members.

D|ONE

4

Four colors are needed to color a map so that no two adjacent regions get the same color (four-color theorem).

Scientific

19

The G-20 is made up of the finance ministers and central bank governors of 19 countries. www.g20.org

Trivia

1729

The Hardy-Ramanujan number. The British mathematician G. H. Hardy told this story about the Indian mathematician Srinivasa Ramanujan: "I remember once going to see him when he was ill at Putney. I had ridden in taxi cab number 1729 and remarked that the number seemed to me rather a dull one, and that I hoped it was not an unfavorable omen. "No," he replied, "it is a very interesting number; it is the smallest number expressible as the sum of two cubes in two different ways." This anecdote gave this number its name.

9^3 + 10^3 = 1729
1^3 + 12^3 = 1729

Scientific

3

Number of eyes of the Tuatara lizard (lives in in New Zealand).

Interesting but useless info (IBUI)

41444351010

Dial this number if you have a need for Data Insight.

D|ONE

520

If you re-arrange things just a little bit, fate may change a lot: Swapping 2 and 5 (see 250) means a significant upgrade: In Mandarin Chinese the number 520 means, "I love you". To make an extra you may also say "520 1314": I love you forever... "13" meaning "this life", "14" meaning "until death" (or "until next life? according to religious preferences).

Trivia

10

Number of clients representing 80% of D|ONE revenues.

D|ONE

55

55% of human DNA is also found in bananas.

Trivia

4

The great pyramids in Egypt have moved 4 kilometers with the earth's crust since they were built.

Trivia

0.000154

Probability to get a royal flush in Texas hold 'em Poker.

Trivia

8.1

Days per employee per year invested in training.

D|ONE

9411

Distance in kilometers between both D|ONE offices, San Mateo and Zurich.

D|ONE

626

Number of compositions by Mozart listed in the Köchel catalogue.

Trivia

1729

Besides being the Hardy-Ramanujan number, 1729 is also a sphenic number because it is the product of three different primes (7*13*19).

Scientific

16005

amount of revenue in \$ Microsoft made in its first year (D|ONE: 114'000 CHF)

D|ONE

0.89

Schwarzschild radius of the earth. Compacted to 0.89 cm, the earth will become a black hole.

Interesting but useless info (IBUI)

0

Number of uninteresting natural numbers: If there were uninteresting numbers, there would be a smallest uninteresting number - but the smallest uninteresting number is itself interesting by being so, producing a contradiction.

Trivia

4

Number 4 is considered an unlucky number in Chinese, Korean, and Japanese cultures because it is nearly homophonous to the word "death". In order not to take unnecessary risks, in most hotels in Hong Kong or Mainland China there is no fourth floor to choose in elevators (caring also about superstitious Westerners, the 13th floor is usually skipped as well).

Trivia

2005

Year when D|ONE was established.

D|ONE

111'111'111

First number, consisting only of digits 1, which, squared, does not produce a symmetrical result like 11x11 does.

Interesting but useless info (IBUI)

250

In Mandarin the number 250 (Er Bai Wu) means "moron". Nobody would accept a price or a salary at 250. Explanations about the origin of this expression differ, but a good interpretation seems "on a scale of 1000 you are 250".

Trivia

142857

This number rotates itself:

142857 X 1 = 142857

142857 X 2 = 285714

142857 X 3 = 428571

142857 X 4 = 571428

142857 X 5 = 714285

142857 X 6 = 857142

Scientific

42

This number comes up in many discussions among certain professional circles (e.g., programmers). We are not sure why but we have our best analysts working to find out ;-)

Trivia

7

Number of different countries of origin for D|ONE team members.

D|ONE

1193, 1931, 3119, 9311

First 4 digits Circular Prime Numbers.

Scientific

4444

Pragmatic as the Chinese are, if you take the the "4" (see 4) issue head-on you may turn it into a blessing: 4 times 4 i.e. 4444 means: may you be 4 times lucky in all four seasons.

Trivia

4

Four half-moves are needed for the fastest possible checkmate (known as the Fool's mate).

Trivia

1729

On top of being the famous Hardy-Ramanujan number, and being a sphenic number, 1729 is also the third Carmichael number, after 561 and 1105. A Carmichael number is an integer n where bn-1 = 1 (mod n) for all b that are prime relative to n. All prime numbers have the Carmichael property.

Scientific

30

30% Probability that the leading digit in many lists of numbers starts with digit 1 (12.5% that it starts with 3). Called Benford's Law. Detected because some pages in logarithm tables looked used more than others. Used in forensic accounting, specifically in fraud detection.

Scientific

«Understanding provides competitive advantage. Making sense of your data is turning from a nice to have to a must for all industries.»

Dr. Simon Hefti, Chairman

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