Properties of the Number 52817

Fifty-Two Thousand Eight Hundred Seventeen

Basics

Value: 52816 → 52817 → 52818

Parity: odd

Prime: Yes

Previous Prime: 52813

Next Prime: 52837

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 52817

Divisors: 1, 52817

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100111001010001

Octal: 147121

Duodecimal: 26695

Hexadecimal: ce51

Square: 2789635489

Square Root: 229.8194943863553

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

Triangle T(n, k) = T(n-1, k) + T(n-1, k-1) + (n² +n -1)*T(n-2, k-1), read by rows. A154233

The number of tilings of a 7 X (3n) floor with 1 X 3 trominoes. A236578

Primes of the form x² + (x+3)². A76727

Prime factors in a divisibility sequence of the Lucas sequence v(P=3,Q=5) of the second kind. A164816

Number of n X 2 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,3,1,1,0 for x=0,1,2,3,4. A197497

Square array A(n, k) = A048720(A065621(σ((2n-1)²)), σ((2k-1)²)), read by falling antidiagonals, (1,1), (1,2), (2,1), (1,3), (2,2), (3,1), etc. A379221

Cycles of rooted trees t where for each t all subtrees at root are distinct. n is total number of nodes. A52817