Properties of the Number 3556

Three Thousand Five Hundred Fifty-Six

Basics

Value: 3555 → 3556 → 3557

Parity: even

Prime: No

Previous Prime: 3547

Next Prime: 3557

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 7 × 127

Divisors: 1, 2, 4, 7, 14, 28, 127, 254, 508, 889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 110111100100

Octal: 6744

Duodecimal: 2084

Hexadecimal: de4

Square: 12645136

Square Root: 59.632206063502295

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 of numbers a(n,k), 0 <= k <= n: number of set partitions of {1,2,...,n} in which exactly k of the blocks have been distinguished. A49020

Numbers m such that there are precisely 13 groups of order m. A292896

T(n,k)=Number of -k..k arrays x(0..n+1) of n+2 elements with zero sum and no two neighbors summing to zero. A199832

Even pseudoprimes to base 37. A130441

T(n,k)=Number of nXk binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally. A228660

Number of balanced set partitions of {1..n}. A340598

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..k+1} nondecreasing, and column sums sum{i²*x(i,j), i=1..n+1} nondecreasing. A233301

Matrix square of triangle A113340. A113345

Numbers that are the sum of six cubes in nine or more ways. A345518

Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths starting at each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 4, n >= 2. A214022