Properties of the Number 19207

Nineteen Thousand Two Hundred Seven

Basics

Value: 19206 → 19207 → 19208

Parity: odd

Prime: Yes

Previous Prime: 19183

Next Prime: 19211

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 19207

Divisors: 1, 19207

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101100000111

Octal: 45407

Duodecimal: B147

Hexadecimal: 4b07

Square: 368908849

Square Root: 138.58932137794744

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

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=[4,2,6]; short d-string notation of pattern = [426]. A78850

Primes of the form 8·k² - 1. A90684

Primes at which the difference pattern X42Y (X and Y >= 6) occurs in A001223. A52164

Least prime in A023200 (lesser of 4-twins) such that the distance to the next 4-twin is 6·n. A52351

Generalized Catalan Numbers x²*A(x)² -(1-x+x²+x³+x⁴+x⁵)*A(x) + 1 =0. A23422

Smallest prime p such that n is a solution mod p of x⁴ = 2, or 0 if no such prime exists. A65902

Primes of the form 2^r*7^s - 1. A77314

Primes p such that p²-p-1 and p²-p+1 are twin primes. A120364

The Riemann primes of the ψ type and index 1. A197185

a(n) = ∑_i=0..n digsum₇(i)³, where digsum₇(i) = A053828(i). A231678