Tuesday, November 7, 2017

Number of the day: 32363

Properties of the number 32363:

32363 is a cyclic number.
32363 is the 3472th prime.
32363 has 15 antidivisors and 32362 totatives.
32363 has an emirp digit sum 17 in base 10.
Reversing the decimal digits of 32363 results in a semiprime.
32363 = 161822 - 161812 is the difference of 2 nonnegative squares in 1 way.
32363 is the difference of 2 positive pentagonal numbers in 1 way.
32363 = 152 + 472 + 1732 is the sum of 3 positive squares.
323632 is the sum of 3 positive squares.
32363 is a proper divisor of 3491471 - 1.
32363 is an emirp in (at least) the following bases: 11, 14, 19, 29, 31, 32, 34, 37, 52, 54, 59, 63, 66, 67, 74, 76, 77, 79, 83, 94, and 98.
32363 is palindromic in (at least) base -50.
32363 in base 33 = tnn and consists of only the digits 'n' and 't'.
32363 in base 37 = NNP and consists of only the digits 'N' and 'P'.
32363 in base 49 = DNN and consists of only the digits 'D' and 'N'.

The number 32363 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequences (among others):

Sequence numbers and descriptions below are taken from OEIS.
A067921: Engel expansion of sqrt(Pi/2).
A078854: Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[6, 2,6]; short d-string notation of pattern = [626].
A078959: Primes p such that the differences between the 5 consecutive primes starting with p are (6,2,6,4).
A201851: Primes of the form 7n^2 - 5.
A227282: First primes of arithmetic progressions of 7 primes each with the common difference 210.
A247197: Primes p such that 2*p^2 + 3 and 2*p^2 + 5 are also primes.
A260126: Primes that contain only the digits (2, 3, 6).
A269066: Five-digit primes whose first, third, and fifth digits are the same.
A280937: Expansion of Product_{k>=1} ((1 - x^(7*(2*k-1))) * (1 - x^(7*k)) / (1 - x^k)).

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