Properties of the Number -1384

Three Hundred Eighty-Four

Basics

Value: -1385 → -1384 → -1383

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 173

Divisors: 1, 2, 4, 8, 173, 346, 692, 1384

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101101000

Octal: -2550

Duodecimal: -974

Hexadecimal: -568

Square: 1915456

Square Root: 37.20215047547655

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

a(n) = ∑_k=1..n floor(n/k) * (-2)^k-1. A344817

McKay-Thompson series of class 8D for the Monster group. A112143

McKay-Thompson series of class 3B for the Monster group with a(0) = -12. A30182

McKay-Thompson series of class 3B for the Monster group. A7244

Expansion of e.g.f. tanh(x)*exp(x). A9832

McKay-Thompson series of class 3B for the Monster group with a(0) = -3. A45481

q-expansion of modular form t_3B. A198955

Expansion of 1/(1 - ∑_k>=1 λ(k)*x^k), where λ() is the Liouville function (A008836). A307076

E.g.f.: sin(cos(x)-sech(x)) (even powers only). A13483

McKay-Thompson series of class 16c for the Monster group. A112152