Properties of the Number 3888

Three Thousand Eight Hundred Eighty-Eight

Basics

Value: 3887 → 3888 → 3889

Parity: even

Prime: No

Previous Prime: 3881

Next Prime: 3889

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ⁵

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100110000

Octal: 7460

Duodecimal: 2300

Hexadecimal: f30

Square: 15116544

Square Root: 62.353829072479584

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

3-smooth numbers: numbers of the form 2ⁱ*3^j with i, j >= 0. A3586

3-full (or cube-full, or cubefull) numbers: if a prime p divides n then so does p³. A36966

a(n) = 3·n². A33428

Triangular array: the fusion of (x+1)ⁿ and (x+2)ⁿ; see Comments for the definition of fusion. A193722

Numbers k of the form 2ⁱ*3^j, where i and j >= 1. A33845

Achilles numbers - powerful but imperfect: if n = Product(p_i^e_i) then all e_i > 1 (i.e., powerful), but the highest common factor of the e_i is 1, i.e., not a perfect power. A52486

Numbers k such that φ(k) divides k. A7694

Numbers that are divisible by exactly 9 primes with multiplicity. A46312

Nicomachus triangle read by rows, T(n, k) = 2^{n - k}*3^k, for 0 <= k <= n. A36561

Number of invertible 2 X 2 matrices mod n. A252