Properties of the Number -45540

Forty-Five Thousand Five Hundred Forty

Basics

Value: -45541 → -45540 → -45539

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 11 × 23

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1011000111100100

Octal: -130744

Duodecimal: -22430

Hexadecimal: -b1e4

Square: 2073891600

Square Root: 213.40103092534488

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

Expansion of e.g.f.: sec(log(x+1)-arcsin(x))=1+3/4!*x⁴-10/5!*x⁵+100/6!*x⁶-525/7!*x⁷... A13232

Denominator of c(n) = (n²+n+2)/((n+1)*(n+2)*(n+3)). A241269

Number of bipartite graphs with 3 edges on nodes {1..n}. A53526

LCM of composite numbers falling between n-th and (n+1)-st primes. A56831

Sum of next n integer interprimes (cf. A024675). A75673

a(1) = 1, then LCM of consecutive composite numbers sandwiched between primes. A109920

Numbers k such that 1·k + 1, 3·k + 1, 9·k + 1, 27·k + 1 are all primes. A112041

Number of forests with n labeled nodes and 9 trees. A240686

a(n) = 2n*(n+1)*(2n+1). A300758

Number of (w,x,y,z) with all terms in {1,...,n} and w>2x and y<=3z. A212517