Properties of the Number -27208

Twenty-Seven Thousand Two Hundred Eight

Basics

Value: -27209 → -27208 → -27207

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 19 × 179

Divisors: 1, 2, 4, 8, 19, 38, 76, 152, 179, 358

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101001001000

Octal: -65110

Duodecimal: -138B4

Hexadecimal: -6a48

Square: 740275264

Square Root: 164.9484768041221

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

T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 3 1s. A295213

T(n,k) is the number of permutations of [n] having exactly k pairs of integers i<j in [n] such that their cycle minima have opposite sorting order; triangle T(n,k), n>=0, 0<=k<=A125811(n)-1, read by rows. A381529

Numbers k such that sopfr(k) = sopfr(k - sopfr(k)). A50781

Expansion of (η(q⁴) * η(q¹²) / (η(q) * η(q³)))² in powers of q. A123647

Number of n X 7 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A280439

Number of n X 4 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 3 1's. A295209

Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 3 1s. A295212

First row of spectral array W(log(π)). A249329

Expansion of ∏_{i>=1, j>=1} (1 + x^i·j + x^2·i*j). A329805