Properties of the Number -115810

One Hundred Fifteen Thousand Eight Hundred Ten

Basics

Value: -115811 → -115810 → -115809

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 37 × 313

Divisors: 1, 2, 5, 10, 37, 74, 185, 313, 370, 626

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -11100010001100010

Octal: -342142

Duodecimal: -5702A

Hexadecimal: -1c462

Square: 13411956100

Square Root: 340.3086834037592

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) = A289670(n)/2^f(n), where f(n) = 2·floor((n-1)/3) + ((n+2) mod 3). A289676

Numbers k such that 8·R_k + 7·10^k - 1 is prime, where R_k = 11...11 is the repunit (A002275) of length k. A259137

a(n) = A289676(3·n+2). A290437