Properties of the Number 50864

Fifty Thousand Eight Hundred Sixty-Four

Basics

Value: 50863 → 50864 → 50865

Parity: even

Prime: No

Previous Prime: 50857

Next Prime: 50867

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 11 × 17 ²

Divisors: 1, 2, 4, 8, 11, 16, 17, 22, 34, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100011010110000

Octal: 143260

Duodecimal: 25528

Hexadecimal: c6b0

Square: 2587146496

Square Root: 225.53048574416718

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

Values of n for which pi_4,3(p_n) - pi_4,1(p_n) = -1, where p_n is the n-th prime and pi_m,a(x) is the number of primes <= x which are congruent to a (mod m). A51024

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4. A197180

∑_0<j<k<=n s(k)-s(j), where s(j)=A002620(j) is the j-th quarter-square. A206806

Number of (w,x,y,z) with all terms in {1,...,n} and w>2x and y>=3z. A212519

Number of (w,x,y,z) with all terms in {1,...,n} and w>=2x and y>3z. A212522

Triangle of Touchard's chord enumerating polynomial coefficients [x^k] P_n(x). A322456

Mean divisor of n differs by <= 1 from mean divisor of all numbers from 1 to n-1. A49010

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4. A197176

Number of n X 6 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4. A197178

Numbers whose base-15 representation has exactly 5 runs. A43672