Properties of the Number -3856

Eight Hundred Fifty-Six

Basics

Value: -3857 → -3856 → -3855

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 241

Divisors: 1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -111100010000

Octal: -7420

Duodecimal: -2294

Hexadecimal: -f10

Square: 14868736

Square Root: 62.0966987850401

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

Corresponds to m = 6 in a family of 4th order linear recurrence sequences given by a(m,n) = m⁴*a(n-4) + (2·m)²*a(n-3) - 4·a(m-1), a(m,0) = -1, a(m,1) = 4, a(m,2) = -13 + 6*(m-1) + 3*(m-1)², a(m,3) = (-8+m²)². A113252

Numerators of coefficients in expansion of x^-2*(1-exp(-2·x))². A104042

Dirichlet g.f.: ζ(s-2)² * (1 - 2^3-s) / ζ(s). A368929

a(n) is the number of distinct (infinite) output sequences from binary n-stage shift register which feeds back the complement of the last stage. A16

Coordination sequence for "hal" 3D uniform tiling. A299274

Definition (1): Number of n-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed. A13

Numbers n such that Bernoulli number B_n has denominator 510. A271634

q-factorial numbers 3!_q. A69778

Consider the base-9 Kaprekar map n->K(n) defined in A165110. Sequence gives numbers belonging to cycles, including fixed points. A165115

AGM transform of positive integers (see Comments for definition). A368366