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Properties of the Number -12185

Twelve Thousand One Hundred Eighty-Five

Basics

Value: -12186 → -12185 → -12184

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 2437

Divisors: 1, 5, 2437, 12185

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10111110011001

Octal: -27631

Duodecimal: -7075

Hexadecimal: -2f99

Square: 148474225

Square Root: 110.38568747804219

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

Number of partitions of n in which the sequence of the sum of the same summands is increasing. A304428
Partial sums of A066186. A182738
Number of paths from (0,0) to (n,0), with vertices (i,k) satisfying 0 <= k <= 3, consisting of segments given by the vectors (1,1), (1,2), (1,-1). A247323
Number of n X 3 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,0,3,1,4 for x=0,1,2,3,4. A196282
Numbers k such that 12·k+1, 24·k+1, 36·k+1 and 72·k+1 are all prime. A255218
Numbers k such that the continued fraction for sqrt(k) has period 37. A20376
Partial sums of the Fermat pseudoprimes to base 2, A001567. A172255
Number of (n+2) X (7+2) 0..1 arrays with no 3·3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1. A257446
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 643", based on the 5-celled von Neumann neighborhood. A273314
Number of nX5 0..1 arrays with every element equal to 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A298960