Properties of the Number -10621

Ten Thousand Six Hundred Twenty-One

Basics

Value: -10622 → -10621 → -10620

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 13 × 19 × 43

Divisors: 1, 13, 19, 43, 247, 559, 817, 10621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10100101111101

Octal: -24575

Duodecimal: -6191

Hexadecimal: -297d

Square: 112805641

Square Root: 103.05823596394418

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

G.f.: ∑_n=-oo..+oo x^n*(n+1/2) * C(x)^3·n-3, where C(x) = 1 + x·C(x)² is the g.f. of the Catalan numbers (A000108). A355348

a(n) = (n-1)*n*(n+4)/6. A5581

Number of reduced words of length n in the Weyl group D₃₉. A162399

Pseudoprimes to base 7. A5938

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically. A207088

Differences between two positive cubes in exactly 2 ways. A14440

Pseudoprimes to base 6. A5937

Difference between two positive cubes in more than one way. A34179

Numbers having exactly four representations by the quadratic form x²+xy+y² with 0<=x<=y. A198775

Products of three distinct primes of the form 6·k + 1. A154729