Properties of the Number -123855

One Hundred Twenty-Three Thousand Eight Hundred Fifty-Five

Basics

Value: -123856 → -123855 → -123854

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 23 × 359

Divisors: 1, 3, 5, 15, 23, 69, 115, 345, 359, 1077

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11110001111001111

Octal: -361717

Duodecimal: -5B813

Hexadecimal: -1e3cf

Square: 15340061025

Square Root: 351.93039084455324

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

Numbers k such that 2k+1, 4k+1, 6k+1, 8k+1 and 10k+1 are primes. A124410

Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A253838