Tuesday, July 5, 2016

Number of the day: 5735

Properties of the number 5735:

5735 = 5 × 31 × 37 is a sphenic number and squarefree.
5735 has 3 distinct prime factors, 8 divisors, 9 antidivisors and 4320 totatives.
5735 has an oblong digit sum 20 in base 10.
5735 = 223 - 173 is the difference of 2 positive cubes in 1 way.
5735 = 28682 - 28672 = 5762 - 5712 = 1082 - 772 = 962 - 592 is the difference of 2 nonnegative squares in 4 ways.
5735 is the sum of 2 positive triangular numbers.
5735 is the difference of 2 positive pentagonal numbers in 2 ways.
5735 is the difference of 2 positive pentagonal pyramidal numbers in 1 way.
5735 = (62 × (3 × 62-1))/2 is a pentagonal number.
5735 is not the sum of 3 positive squares.
57352 = 18602 + 54252 = 17672 + 54562 = 32242 + 47432 = 34412 + 45882 is the sum of 2 positive squares in 4 ways.
57352 is the sum of 3 positive squares.
5735 is a divisor of 2113 - 1.
5735 = '57' + '35' is the concatenation of 2 semiprime numbers.
5735 is palindromic in (at least) the following bases: 49, 61, -19, -20, -25, -63, and -94.
5735 in base 9 = 7772 and consists of only the digits '2' and '7'.
5735 in base 11 = 4344 and consists of only the digits '3' and '4'.
5735 in base 19 = fgg and consists of only the digits 'f' and 'g'.
5735 in base 48 = 2NN and consists of only the digits '2' and 'N'.
5735 in base 49 = 2J2 and consists of only the digits '2' and 'J'.
5735 in base 53 = 22B and consists of only the digits '2' and 'B'.
5735 in base 60 = 1ZZ and consists of only the digits '1' and 'Z'.
5735 in base 61 = 1X1 and consists of only the digits '1' and 'X'.

The number 5735 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequences (among others):

Sequence numbers and descriptions below are taken from OEIS.
A029552: Expansion of phi(x) / f(-x) in powers of x where phi(), f() are Ramanujan theta functions.
A037277: Replace n by concatenation of its divisors >1.
A037284: Replace n by concatenation of its odd divisors >1.
A037285: Replace n by concatenation of its nontrivial odd divisors.
A049452: Pentagonal numbers with even index.
A138990: a(n) = Frobenius number for 4 successive primes = F[p(n),p(n+1),p(n+2),p(n+3)].
A185258: Side of triangle of the difference of pairs of triangular numbers whose sum and difference are triangular.
A202461: T(n,k)=Number of (n+2)X(k+2) binary arrays with consecutive windows of three bits considered as a binary number nondecreasing in every row and column
A265065: Coordination sequence for (2,5,6) tiling of hyperbolic plane.
A271926: Denominator of (Prod(((2*j+1)*(3*j+4))/((j+1)*(6*j+1)),j=0..n-1)-1).

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