Properties of the Number 4281

Four Thousand Two Hundred Eighty-One

Basics

Value: 4280 → 4281 → 4282

Parity: odd

Prime: No

Previous Prime: 4273

Next Prime: 4283

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 1427

Divisors: 1, 3, 1427, 4281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1000010111001

Octal: 10271

Duodecimal: 2589

Hexadecimal: 10b9

Square: 18326961

Square Root: 65.42935121182236

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

Number of strict integer partitions of n containing the sum of some subset of the parts. A variation of sum-full strict partitions. A364272

Triangle read by rows: T(n,k) is the number of k-block partitions of an n-set up to rotations. A152175

Number T(n,k) of compositions of n into distinct parts where each part i is marked with a word of length i over a k-ary alphabet whose letters appear in alphabetical order and all k letters occur at least once in the composition; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A261836

T(n,k)=Number of -k..k circular arrays x(0..n+1) of n+2 elements with zero sums of x(i) and x(i)*x((i+1) mod (n+2)). A202006

Number of ordered pairs of integers (x,y) with x²+y² < n². A51132

a(1) = 7; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A74343

T(n,k) is the number of (n+1) X (k+1) 0..1 arrays x(i,j) with row sums sum{j·x(i,j), j=1..k+1} nondecreasing, and column sums sum{i²*x(i,j), i=1..n+1} nondecreasing. A233366

Numbers n such that A003313(n) = A003313(2n). A86878

T(n,k)=1/12 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing three of each value. A184386

Coefficients of polynomials related to the D'Arcais polynomials and Dedekind's η(q) function, triangle read by rows, T(n,k) for 0 <= k <= n. A319083