Properties of the Number 3855

Three Thousand Eight Hundred Fifty-Five

Basics

Value: 3854 → 3855 → 3856

Parity: odd

Prime: No

Previous Prime: 3853

Next Prime: 3863

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 257

Divisors: 1, 3, 5, 15, 257, 771, 1285, 3855

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111100001111

Octal: 7417

Duodecimal: 2293

Hexadecimal: f0f

Square: 14861025

Square Root: 62.08864630510155

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

Sierpiński's triangle (Pascal's triangle mod 2) converted to decimal. A1317

Number of n-bead necklaces with beads of 2 colors and primitive period n, when turning over is not allowed but the two colors can be interchanged. A48

Fermat quotients: (2^p-1-1)/p, where p=prime(n). A7663

Number of totally transitive rooted trees with n nodes. A318185

Smallest number whose Euler totient is divisible by 2ⁿ. A53576

Base 10 numbers that are palindromic in bases 2 and 4. A97856

Odd values of n for which a regular n-gon can be constructed by compass and straightedge. A45544

Numbers whose set of base 16 digits is {0,F}, where F base 16 = 15 base 10. A97262

Divisors of 2³² - 1 (for a(1) to a(31), the 31 regular polygons with an odd number of sides constructible with ruler and compass). A4729

Number of binary Lyndon words with an even number of 1's. A51841