Properties of the Number 19532

Nineteen Thousand Five Hundred Thirty-Two

Basics

Value: 19531 → 19532 → 19533

Parity: even

Prime: No

Previous Prime: 19531

Next Prime: 19541

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 19 × 257

Divisors: 1, 2, 4, 19, 38, 76, 257, 514, 1028, 4883

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100110001001100

Octal: 46114

Duodecimal: B378

Hexadecimal: 4c4c

Square: 381499024

Square Root: 139.75693184955085

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

Array A read by diagonals; n-th difference of (A(k,n), A(k,n-1),..., A(k,0)) is (k+2)^n-1, for n=1,2,3,...; k=0,1,2,... A47848

a(n) = (5ⁿ + 3)/4. A47850

Dispersion of A016873, (5k+2), by antidiagonals. A191704

Number of cyclic subgroups of the group (C_n)⁷, where C_n is the cyclic group of order n. A344303

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300612

Numerator of (1+σ(s)) / ((s+1)/2), where s is the square of n prime-shifted once (s = A003961(n)² = A003961(n²)). A337338

Number of directed trees with n nodes. A6965

Triangle whose k-th column satisfies a(n) = (k+3)*a(n-1)-(k+2)*a(n-2). A123490

a(n) is the determinant of a symmetric Toeplitz matrix M(n) whose first row consists of prime(n), prime(n-1), ..., prime(1). A356492

Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: w<R, x<R, y>R, z>R, where R = max{w,x,y,z} - min{w,x,y,z}. A212753