Properties of the Number -198811

One Hundred Ninety-Eight Thousand Eight Hundred Eleven

Basics

Value: -198812 → -198811 → -198810

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 198811

Divisors: 1, 198811

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110000100010011011

Octal: -604233

Duodecimal: -97077

Hexadecimal: -3089b

Square: 39525813721

Square Root: 445.8822714573882

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

Expansion of ∑_i>=1 i·xⁱ/(1 - x) * ∏_j=1..i 1/(1 - x^j). A284870

Primes p such that the differences between the 5 consecutive primes starting with p are (6,6,4,2). A78966

Primes of the form ∑_j=1..n (-1)^j *prime(j)*prime(j+1). A197422

Primes p such that p + 6, p + 12, p + 16, p + 22 and p + 28 are also primes. A384528

a(n) is the first term of the sexy prime quadruple a(n), a(n)+6, a(n)+12 and a(n)+18 that becomes a perfect square if the rightmost digit (1) is removed. A92445