Properties of the Number 3919

Three Thousand Nine Hundred Nineteen

Basics

Value: 3918 → 3919 → 3920

Parity: odd

Prime: Yes

Previous Prime: 3917

Next Prime: 3923

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 3919

Divisors: 1, 3919

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101001111

Octal: 7517

Duodecimal: 2327

Hexadecimal: f4f

Square: 15358561

Square Root: 62.601916903558156

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

Primes from merging of 4 successive digits in decimal expansion of e. A104845

Primes p such that p + 4 is prime and p == 9 (mod 10). A74822

Toothpick primes: primes in the toothpick sequence A139250. A139253

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[4, 6, 2]; short d-string notation of pattern = [462]. A78851

a(0)=1, a(1)=1, a(n) = largest prime <= a(n-1) + a(n-2). A55500

Number of distinct products ijk with 1 <= i,j,k <= n. A27425

Primes p whose period of reciprocal equals (p-1)/6. A56211

a(1) = 6; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A74342

Sums of six consecutive squares: a(n) = n² + (n+1)² + (n+2)² + (n+3)² + (n+4)² + (n+5)². A27865

Primes of the form 6·p + 1 where p is also prime. A51644