Properties of the Number -4388

Three Hundred Eighty-Eight

Basics

Value: -4389 → -4388 → -4387

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 1097

Divisors: 1, 2, 4, 1097, 2194, 4388

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1000100100100

Octal: -10444

Duodecimal: -2658

Hexadecimal: -1124

Square: 19254544

Square Root: 66.24198064671678

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

Triangle read by rows: the n-th row consists of the coefficients in the expansion of ∑_j=0..n A123162(n,j)*x^j*(1 - x)^{n - j}. A123217

Number of reduced words of length n in the Weyl group D₈. A162211

Number of partitions of n which represent first player winning Chomp positions. A112471

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250898

The number of medial quasigroups of order n, up to isomorphism. A226193

Number of integer partitions of n covering an initial interval of positive integers with non-unimodal run-lengths. A332579

a(n) = ∑_k=1..n gcd(k, n)⁴. A343498

Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = ∑_j=1..n gcd(j, n)^k. A343510

Numbers k > 1 such that, in base 3, k and k² contain the same digits in the same proportion. A61657

Number of primes between A001605(n) and A001605(n+1). A134851