Properties of the Number -3943

Nine Hundred Forty-Three

Basics

Value: -3944 → -3943 → -3942

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 3943

Divisors: 1, 3943

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -111101100111

Octal: -7547

Duodecimal: -2347

Hexadecimal: -f67

Square: 15547249

Square Root: 62.7933117457584

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

Matrix inverse of triangle A063967. A91698

L.g.f.: log(∏_k>=1 1/(1 - x^k/(1 + x))) = ∑_k>=1 a(k)*x^k/k. A307675

a(n) = (-1)ⁿ * ∑_i=0..n binomial(n+1,i+1)*Catalan(i). A50511

Numbers n such that (13ⁿ - 2ⁿ)/11 is prime. A217320

Primes of the form 7x²+4xy+52y². A140633

Primes with indices that are primes with prime indices. A38580

D-toothpick sequence of the third kind starting with a single toothpick. A220500

Primes prime(k) for which A049076(k) = 3. A49079

Primes p such that 3p - 2 and 3p + 2 are also primes. A125272

Primes sandwiched between two numbers having same number of divisors. A67889