Properties of the Number 4018

Four Thousand Eighteen

Basics

Value: 4017 → 4018 → 4019

Parity: even

Prime: No

Previous Prime: 4013

Next Prime: 4019

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 ² × 41

Divisors: 1, 2, 7, 14, 41, 49, 82, 98, 287, 574

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111110110010

Octal: 7662

Duodecimal: 23AA

Hexadecimal: fb2

Square: 16144324

Square Root: 63.387695966961914

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

Positive integers n such that n¹¹ + 1 is semiprime. A105122

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 0 1 vertically. A207762

T(n,k) = Number of 0..k arrays of length n with each element differing from at least one neighbor by something other than 1, starting with 0. A221542

Number of triangular regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles. A324042

Sum of the fifth largest parts of the partitions of n into 9 squarefree parts. A326528

a(n) is the smallest positive integer s that can be partitioned into n positive integers whose product is s·100^n-1. A380887

Numbers whose base-3 representation is the juxtaposition of two identical strings. A20331

Numbers n such that N = n³ is a twin rank (A002822: 6N +- 1 are twin primes). A326234

Numbers that are the sum of eight fourth powers in three or more ways. A345578

Numbers that are the sum of eight fourth powers in exactly three ways. A345835