ℕ atory
Play Now

Properties of the Number 28536

Twenty-Eight Thousand Five Hundred Thirty-Six

Basics

Value: 28535 → 28536 → 28537

Parity: even

Prime: No

Previous Prime: 28517

Next Prime: 28537

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 3 × 3 × 29 × 41

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 29, 41

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111101111000

Octal: 67570

Duodecimal: 14620

Hexadecimal: 6f78

Square: 814303296

Square Root: 168.9260193102294

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of partitions of n into prime power parts (1 included); number of nonisomorphic Abelian subgroups of symmetric group Sn. A23893
Nonnegative values·of solutions (x, y) to the Diophantine equation x2 + (x + 41)2 = y2. A129288
Largest denominator used in the Egyptian fraction representation of n/(n + 1) by the greedy algorithm. A100695
Symmetric triangle, read by rows of 2·n+1 terms, similar to triangle A008301. Second term 4 times first term. A126150
Main diagonal of symmetric triangle A126150: a(n) = A126150(n,n). A126152
Triangle read by rows: T(n,k) is the number of hill-free Schroeder paths of length 2n that have k horizontal steps on the x-axis (0<=k<=n). A Schroeder path of length 2n is a lattice path from (0,0) to (2n,0) consisting of U=(1,1), D=(1,-1) and H=(2,0) steps and never going below the x-axis. A hill is a peak at height 1. A114709
Number of (w,x,y) with all terms in {0,...,n} and w ≠ x and x > range(w,x,y). A212969
Number of rooted identity trees with n nodes and 6 leaves. A55331
a(n) = n·Pell(n-2). A93969
Indices of 0 in A348295: numbers m such that ∑k=1..m (-1)floor(k*(sqrt(2-1))) = ∑k=1..m (-1)A097508(k) = 0. A348299