Properties of the Number -299520

Two Hundred Ninety-Nine Thousand Five Hundred Twenty

Basics

Value: -299521 → -299520 → -299519

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁹ × 3 ² × 5 × 13

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001001001000000000

Octal: -1111000

Duodecimal: -125400

Hexadecimal: -49200

Square: 89712230400

Square Root: 547.2842040475863

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

Analog of A095236 when the phones are arranged in a circle. A95239

Coefficients in q-expansion of (E₂³*E₄ - 3·E₂²*E₆ + 3·E₂*E₄² - E₄*E₆)/3456, where E₂, E₄, E₆ are the Eisenstein series shown in A006352, A004009, A013973, respectively. A282213

G.f. A(x) satisfies A(x) = 1 + x⁴*A(x)⁴*(1 + x·A(x)). A365730

Lower triangular array called S2hat(-4) related to partition number array A144284. A144285

a(n) = ∑_{k=0..floor(n/3)} 2^n-2·k * binomial(k,n-3·k)². A387485

Sums of 4 distinct powers of 8. A38486

E.g.f. equals the series reversion of x - x²*exp(2·x). A214688

Third column (m=3) of triangle S2hat(-4) = A144285. A144340

a(n) = σ(2·a(n-1)) for n>1 with a(1)=1. A180707

Number of (w,x,y,z) with all terms in {1,...,n} and w<=2x and y<=3z. A212513