Properties of the Number -193901

One Hundred Ninety-Three Thousand Nine Hundred One

Basics

Value: -193902 → -193901 → -193900

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 71 × 2731

Divisors: 1, 71, 2731, 193901

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -101111010101101101

Octal: -572555

Duodecimal: -94265

Hexadecimal: -2f56d

Square: 37597597801

Square Root: 440.3419126088272

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) = (2·n-1)*(13·n²-13·n+6)/6. A63493

a(n) = ∑_k=0..n 2^{n - k}*Pochhammer(k/2, n - k). Row sums of A370419(n - k, k). A370982

Strong pseudoprimes to base 26. A20252