Properties of the Number 18963

Eighteen Thousand Nine Hundred Sixty-Three

Basics

Value: 18962 → 18963 → 18964

Parity: odd

Prime: No

Previous Prime: 18959

Next Prime: 18973

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 43

Divisors: 1, 3, 7, 9, 21, 43, 49, 63, 129, 147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101000010011

Octal: 45023

Duodecimal: AB83

Hexadecimal: 4a13

Square: 359595369

Square Root: 137.706209010342

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 paraffins. A5997

a(n) = n²*(2·n+1). A99721

Numbers that are the sum of 4 nonzero 4th powers in more than one way. A309763

P_n'(3), where P_n is n-th Legendre polynomial. A2695

Numbers that are the sum of four fourth powers in exactly two ways. A344193

Antidiagonal sums of the triangle A120070. A143785

Number of (w,x,y,z) with all terms in {0,...,n}, w even, and x = y + z. A212760

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 1/(1 - 2·k*x + ((k-2)*x)²)^3/2. A331514

Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = ∑_j=1..n sigma_k(j) * floor(n/j). A356045

dot_product(n,n-1,...2,1)*(7,8,...,n,1,2,3,4,5,6). A26066