Wikipedia:Reference desk/Archives/Mathematics/September 2023

Welcome to the Wikipedia Mathematics Reference Desk Archives
The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.

September 3

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 3

1. Can fourteen-segment display be used in a base 36 calculator?

September 8

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 8

1. Probability question

September 10

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 10

1. Candelas per square meter

September 11

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 11

1. On Negative Numbers

September 12

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 12

1. How Do We Know Of The One Simplicities.

September 14

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 14

1. [[Wikipedia:Reference_desk/Archives/Mathematics/2023 September 14#What_is_the_next_prime_p_after_3612703_that_also_divides_.7B.7BOEIS_link.7CA005165.7D.7D.28p-1.29.3F|What is the next prime p after 3612703 that also divides A005165(p-1)?]]
2. SVG error in math

September 15

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 15

1. Probability that all sums are odd
2. Can these numbers be perfect powers?
3. Find the smallest such prime number
4. What is the smallest n such that there exists a holyhedron with n faces?

September 16

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 16

1. "Strict equidissection" of regular triangle (in Euclidean geometry, or EG) and all possible values of N
2. About trigonometric functions and hyperbolic functions and transcendental numbers
3. Twin prime conjecture

September 18

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 18

1. Minimal set of prime-strings in base 10.

September 19

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 19

1. Primes "in the" primes, using triangular addition

September 20

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 20

1. Random integer factors

September 21

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 21

1. Vocabulary Question
2. Curious about UTC-Time zone

September 23

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 23

1. Number of indistinguishable necklaces
2. Are there infinitely many primes whose first digit and last digit are both 7?
3. Are these true?
4. Why the largest number which a scientific calculator does not overflow is 10^100, not power of 2?
5. Log and exponential functions

September 24

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 24

1. at least one identical vertex, one identical side...
2. Smallest "prime" for which Fermat's last theorem was NOT proved

September 25

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 25

1. Are there infinitely many primes of the form 1000…0007, 333…3331, 7111…111, or 3444…4447 in base 10?
2. Alternate calendar algorithms
3. 2+2

September 27

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 27

1. Digit sum
2. Could you create these OEIS sequences and extend existing OEIS sequences?
3. Why not define “division” in rings?
4. Are there n kinds of numerical systems with radix n?
5. Are there n possible number systems with dimension n, if n is power of 2?
6. coloring edges of an icosahedron
7. Limit help

September 27

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 27

1. Digit sum
2. Could you create these OEIS sequences and extend existing OEIS sequences?
3. Why not define “division” in rings?
4. Are there n kinds of numerical systems with radix n?
5. Are there n possible number systems with dimension n, if n is power of 2?
6. coloring edges of an icosahedron
7. Limit help

September 28

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 28

1. Probability of a holey cube
2. Help with finding the angle

September 29

Wikipedia:Reference_desk/Archives/Mathematics/2023 September 29

1. For which natural number n, this is true?
2. Dual polyhedron of rotundas