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Weird Sequences
π never repeats, but it does get up to some odd tricks.
The Feynman point
999999
Six 9s in a row, early on. Physicist Richard Feynman joked he'd love to recite π up to here and finish with 'nine nine nine nine nine nine and so on'.
First starts at decimal place 762 (about 762 digits in).
Counting up
123456789
One to nine, in order, as if π learned to count.
Not in the first 2,000 decimals we've searched — it hides deeper!
Countdown
987654321
Nine down to one: 3… 2… 1… lift-off!
Not in the first 2,000 decimals we've searched — it hides deeper!
Every digit in order
0123456789
All ten digits, 0 to 9, in a row.
Not in the first 2,000 decimals we've searched — it hides deeper!
Every digit backwards
9876543210
9 all the way down to 0.
Not in the first 2,000 decimals we've searched — it hides deeper!
π finds itself
314159
π's own first six digits, 314159, turn up again.
Not in the first 2,000 decimals we've searched — it hides deeper!
e drops by
271828
271828: the start of e = 2.71828…, π's famous cousin.
Not in the first 2,000 decimals we've searched — it hides deeper!
The golden ratio
161803
161803: the start of φ = 1.61803…, the ratio hiding in sunflowers and shells.
Not in the first 2,000 decimals we've searched — it hides deeper!
One seventh
142857
142857: the digits that repeat forever in 1/7 = 0.142857142857…
Not in the first 2,000 decimals we've searched — it hides deeper!
Ramanujan's taxi
1729
1729: the smallest number that is two cubes added up in two different ways.
Not in the first 2,000 decimals we've searched — it hides deeper!
The answer
42
42: the answer to life, the universe and everything.
First starts at decimal place 92 (about 92 digits in).
Same digit, again and again
The first time π repeats one digit this many times in a row:
- 2 in a row 33 at decimal place 24
- 3 in a row 111 at decimal place 153
- 4 in a row 9999 at decimal place 762
- 5 in a row 99999 at decimal place 762
- 6 in a row 999999 at decimal place 762
Searched: the first 2,000 decimals of π.