Properties of the Number -44469

Forty-Four Thousand Four Hundred Sixty-Nine

Basics

Value: -44470 → -44469 → -44468

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁶ × 61

Divisors: 1, 3, 9, 27, 61, 81, 183, 243, 549, 729

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010110110110101

Octal: -126665

Duodecimal: -21899

Hexadecimal: -adb5

Square: 1977491961

Square Root: 210.87674124947966

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

The first of three triangles counting 3-colored alternating permutations by their last value. A202692

Number of maximal matchings in the n-prism graph. A284703

G.f. satisfies A(A(A(x))) = F(x), where F(x) is the g.f. for A053540(n) = n·9^n-1. A372499

Gaps of 10 in sequence A038593 (upper terms). A38660

Numerators of continued fraction convergents to sqrt(761). A42466

Monotonic ordering of nonnegative differences 6ⁱ-3^j, for 40>= i>=0, j>=0. A192152

First differences of cubes of triangular numbers. A357178

Numbers n such that the sum of the sum-of-divisors function of all integers up to n is a square. A130698

a(n) = ∑_k=1..n sigma₂( (n/gcd(k,n))² ). A372996

a(n) = 3^n-2*(binomial(n,2) + 3·n + 9). A382618