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Properties of the Number 3943

Three Thousand Nine Hundred Forty-Three

Basics

Value: 3942 → 3943 → 3944

Parity: odd

Prime: Yes

Previous Prime: 3931

Next Prime: 3947

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

2196 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: Yes

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

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
Primes having only {3, 4, 9} as digits. A199349
Self-inverse permutation of natural numbers: a(1)=1, then a(pn)=ca(n), a(cn)=pa(n), where pn = n-th prime, cn = n-th composite. A236854
Integers n > 196 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 196. A63049