Properties of the Number 16388

Sixteen Thousand Three Hundred Eighty-Eight

Basics

Value: 16387 → 16388 → 16389

Parity: even

Prime: No

Previous Prime: 16381

Next Prime: 16411

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 17 × 241

Divisors: 1, 2, 4, 17, 34, 68, 241, 482, 964, 4097

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100000000000100

Octal: 40004

Duodecimal: 9598

Hexadecimal: 4004

Square: 268566544

Square Root: 128.01562404644207

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

Numbers that are the sum of 12 positive 11th powers. A4823

Numbers that are the sum of 5 positive 7th powers. A3372

1/4 the number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having distinct clockwise edge differences. A209723

a(0) = 0, a(1) = 1, a(2) = 2; for k >= 2, given a(k), the sequence is extended by adjoining two terms: a(2·k-1) = smallest m >= 0 not among a(0) .. a(k) such that {m, a(k), a(k+1), ..., a(2·k-2)} are pairwise disjoint in binary, and a(2·k) = smallest m >= 0 not among a(0) .. a(k) such that {m, a(k), ..., a(2·k-1)} are pairwise disjoint in binary. A354169

a(n) = 2ⁿ + 4. A140504

O.g.f.: ∑_n>=0 nⁿ * (1+n·x)ⁿ * xⁿ/n! * exp(-n·x*(1+n·x)). A218670

T(n,k)=Number of 0..4 colorings of an nx(k+1) array circular in the k+1 direction with new values 0..4 introduced in row major order. A214141

Smallest number > 1 equal to sum of n-th powers of its base-3 digits, or 0 if no such number exists (written in base 10). A33835

Base-3 perfect digital invariants (written in base 10): numbers equal to the sum of the k-th powers of their base-3 digits, for some k. A162216

Greatest integer equal to the sum of the n-th powers of its base-3 digits (written in base 10). A162218