Properties of the Number -19201

Nineteen Thousand Two Hundred One

Basics

Value: -19202 → -19201 → -19200

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 13 × 211

Divisors: 1, 7, 13, 91, 211, 1477, 2743, 19201

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101100000001

Octal: -45401

Duodecimal: -B141

Hexadecimal: -4b01

Square: 368678401

Square Root: 138.56767299770897

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

Floor(R(10ⁿ)) - π(10ⁿ), where π(x) is the number of primes <= x, R(x) = ∑_k>=1 ((μ(k)/k) * li(x^1/k)) and li(x) is the Cauchy principal value of the integral from 0 to·of dt/log(t). A215663

Odd composite integers m such that A006497(m) == 3 (mod m). A335669

Number of steps to compute n-th prime in PRIMEGAME (fast version). A7546

Numbers k such that the digits of k² are exactly the same (albeit in different order) as the digits of (k+1)². A72841

Nonprimes k such that k divides 3^k-1 - 2^k-1. A73631

a(n) = 12·n² + 1. A158480

Strong pseudoprimes to base 10. A20236

Numbers of the form k*(k³ +- 1)/2. A57590

Coefficients in asymptotic expansion of sequence A096161 and A161779. A293266

Deceptive nonprimes: composite numbers k that divide the repunit R_k-1. A864