Properties of the Number -28218

Twenty-Eight Thousand Two Hundred Eighteen

Basics

Value: -28219 → -28218 → -28217

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 4703

Divisors: 1, 2, 3, 6, 4703, 9406, 14109, 28218

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110111000111010

Octal: -67072

Duodecimal: -143B6

Hexadecimal: -6e3a

Square: 796255524

Square Root: 167.98214190800164

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 that, when expressed in base 6 and then interpreted in base 8, give a multiple of k. A62937

Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of one or less, with rows and columns of the latter in lexicographically nondecreasing order. A227161

a(n) = 36·n² - 6. A158462

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 222", based on the 5-celled von Neumann neighborhood. A270940

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 229", based on the 5-celled von Neumann neighborhood. A270948

Records of A038804: (Smallest prime > 10ⁿ) - (largest prime < 10ⁿ). A331834