Properties of the Number -8607

Six Hundred Seven

Basics

Value: -8608 → -8607 → -8606

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 19 × 151

Divisors: 1, 3, 19, 57, 151, 453, 2869, 8607

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10000110011111

Octal: -20637

Duodecimal: -4B93

Hexadecimal: -219f

Square: 74080449

Square Root: 92.7739187487518

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 read by rows: t(n,m) = ∑_i=0..n (-1)^m-i*Eulerian1(n-i+1, m-i) *Stirling2(n+i+1, i+1), where Eulerian1 are the Eulerian numbers of the first kind (A173018). A156364

Numbers whose binary expansion generates rotationally symmetric XOR-triangles. A334556

a(n)=A089551(n)/2. A89558

Numbers m that generate rotationally symmetrical XOR-triangles T(m) that have central triangles of zeros. A334769

G.f. satisfies A(x) = 1+x + x²*A(x)⁶. A137966

[ (3rd elementary symmetric function of 3,4,...,n+4)/(3+4+...+n+4) ]. A24191

Number of base-2 strong pseudoprimes (A001262) less than 10ⁿ. A55552

Numbers k such that k and its reversal are both multiples of 19. A62907

a(n) = ((n + 1) - 9*(n + 1)² + 8*(n + 1)³)/6. A331987

Number of fixed triangular n-ominoes of the regular tiling with Schläfli symbol {3,6} that have a common axis of symmetry coincident with cell altitudes and the point of the polyomino farthest along that axis in a specified direction is a cell edge center. A364487