Properties of the Number 3856

Three Thousand Eight Hundred Fifty-Six

Basics

Value: 3855 → 3856 → 3857

Parity: even

Prime: No

Previous Prime: 3853

Next Prime: 3863

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

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

Number of cyclic graphs with oriented edges on n nodes (up to symmetry of dihedral group). A53656

Consider the base-9 Kaprekar map n->K(n) defined in A165110. Sequence gives numbers belonging to cycles of length greater than 1. A165117

Numbers k such that k² is palindromic in base 15. A30073