Properties of the Number -5228

Two Hundred Twenty-Eight

Basics

Value: -5229 → -5228 → -5227

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 1307

Divisors: 1, 2, 4, 1307, 2614, 5228

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -1010001101100

Octal: -12154

Duodecimal: -3038

Hexadecimal: -146c

Square: 27331984

Square Root: 72.30490993010088

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

The trinomial transform (A027907) gives powers of 2, while the trinomial transform of this sequence shift one place left gives powers of 3. A100321

a(n) = ∑_d∣n μ(n/d) * d * (n/d)^d-1, where μ() is the Moebius function (A008683). A359188

Partial sums of A299283. A299284

Number of times prime(n) occurs as the least prime factor among numbers 1 .. prime(n)³: a(n) = A078898(A030078(n)). A250474

Sum of the seventh largest parts of the partitions of n into 10 squarefree parts. A326631

T(n,k) = number of (n+1) X (k+1) 0..3 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases. A206118

T(n,k)=Number of (n+1) X (k+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A237412

Numbers k such that there are precisely 4 groups of orders k and k + 1. A295990

a(n) = ∑_d∣n d·prime(d). A61150

Expansion of ∏_k>=1 ((1 + k·x^k) / (1 - x^k)). A267004