Properties of the Number 388

Three Hundred Eighty-Eight

Basics

Value: 387 → 388 → 389

Parity: even

Prime: No

Previous Prime: 383

Next Prime: 389

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 97

Divisors: 1, 2, 4, 97, 194, 388

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110000100

Octal: 604

Duodecimal: 284

Hexadecimal: 184

Square: 150544

Square Root: 19.697715603592208

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

Number of partitions of n whose mean is a part. A237984

Numbers which are the product of a prime and the square of a different prime (p² * q). A54753

a(1) = 1 and a(n) = ceiling((∑_k=1..n-1 a(k))/3) for n >= 2. A72493

Coefficients of the '3rd-order' mock θ function ψ(q). A53251

a(n) = 8·n + 4. A17113

Nonprime numbers k such that binomial(k+p,k) mod k = 1, where p=10. A133630

Coordination sequence for "tea" 3D uniform tiling. A299285

Coefficients of the '5th-order' mock θ function chi₁(q). A53263

Number of compositions of n such that at least two adjacent parts are equal. A261983

a(n) = 9·n + 1. A17173