Properties of the Number 4389

Four Thousand Three Hundred Eighty-Nine

Basics

Value: 4388 → 4389 → 4390

Parity: odd

Prime: No

Previous Prime: 4373

Next Prime: 4391

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 11 × 19

Divisors: 1, 3, 7, 11, 19, 21, 33, 57, 77, 133

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000100100101

Octal: 10445

Duodecimal: 2659

Hexadecimal: 1125

Square: 19263321

Square Root: 66.24952830020754

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

Expansion of 1/((1-x)⁴*(1+x)). A2623

a(n) = n*(4·n+1). A7742

a(n) = 3·binomial(4·n-1, n-1)/(4·n-1). A6632

a(n) = n*(n+1)*(4·n+5)/6. A16061

Pairs (j, k) of numbers j<k such that φ(j) = φ(k), σ(j) = σ(k), d(j) = d(k). A134922

Number of reduced words of length n in the Weyl group B₈. A161717

Number of ways of writing n as the sum of 7 triangular numbers. A226252

a(0) = 1, a(1) = 2, a(2n) = A019565(a(n)), a(2n+1) = A065642(a(n)). A285332

Partial sums of A002620. A173196

Number of alternately co-strong integer partitions of n. A317256