Properties of the Number -428652

Four Hundred Twenty-Eight Thousand Six Hundred Fifty-Two

Basics

Value: -428653 → -428652 → -428651

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁷ × 7 ²

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101000101001101100

Octal: -1505154

Duodecimal: -188090

Hexadecimal: -68a6c

Square: 183742537104

Square Root: 654.7152052610356

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 read by rows: a(n, m) = S1(n, m)*3^n-m, where S1 are the signed Stirling numbers of first kind A008275 (n >= 1, 1 <= m <= n). A51141

Triangular array read by rows: row n shows the coefficients of the polynomial p(x,n) constructed as in Comments; these polynomials form a strong divisibility sequence. A327321

Triangular array read by rows: row n shows the coefficients of the polynomial p(x,n) constructed as in Comments; these polynomials form a strong divisibility sequence. A328644

Triangle T(n, k) = (binomial(n-1, k-1)*binomial(n, k-1)/k) * ( 3^k-1 if floor(n/2) >= k, otherwise 3^n-k ), read by rows. A174346

a(n) = [(x·y*z·u)ⁿ] 1/((1-(x+y+z+u))*(1-x·y-z·u)). A381184

Number of chordless cycles in the complete tripartite graph K_n,n,n. A297662