Properties of the Number 10421

Ten Thousand Four Hundred Twenty-One

Basics

Value: 10420 → 10421 → 10422

Parity: odd

Prime: No

Previous Prime: 10399

Next Prime: 10427

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 17 × 613

Divisors: 1, 17, 613, 10421

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010110101

Octal: 24265

Duodecimal: 6045

Hexadecimal: 28b5

Square: 108597241

Square Root: 102.08329931972223

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

Sum of consecutive nonsquares. A48395

Sum of the n-th maximal run of adjacent (increasing by one at a time) non-perfect-powers. A375705

Positions of ones in A264977; positions of twos in A277330. A277701

Row sums of the triangle in A199332. A199771

Numbers m such that [A070080(m), A070081(m), A070082(m)] is an acute scalene integer triangle with prime side lengths. A70123

T(n,k)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no king-move neighbor in a random 0..2 nXk array. A219451

G.f.: -1 + ∏_k>=1 (1 + prime(k)*x^prime(k)). A2099

Number of 0..n arrays x(0..2) of 3 elements with each no smaller than the sum of its previous elements modulo (n+1). A200252

a(n) = 36·n² + n. A157324

Number of (w,x,y,z) with all terms in {1,...,n} and w + x = 2y + 2z. A212561