Properties of the Number 8419

Eight Thousand Four Hundred Nineteen

Basics

Value: 8418 → 8419 → 8420

Parity: odd

Prime: Yes

Previous Prime: 8389

Next Prime: 8423

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 8419

Divisors: 1, 8419

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000011100011

Octal: 20343

Duodecimal: 4A57

Hexadecimal: 20e3

Square: 70879561

Square Root: 91.7551088495894

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) = 4·n² - 9·n + 6. A54556

Primes from merging of 4 successive digits in decimal expansion of π. A104824

Primes which are the concatenation of two squares (in decimal notation). A167535

Smallest prime p such that p/π(p)>=n. A38623

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

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically. A258554

Mother primes of order 11. A136070

Difference between first twin prime > 10ⁿ and 10ⁿ. A124001

Primes p such that p⁵ - 2 is also prime. A154834

a(n) is the smallest prime number k such that k > n*π(k), where π(k) denotes the prime counting function. A38607