Properties of the Number -27406

Twenty-Seven Thousand Four Hundred Six

Basics

Value: -27407 → -27406 → -27405

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 71 × 193

Divisors: 1, 2, 71, 142, 193, 386, 13703, 27406

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101100001110

Octal: -65416

Duodecimal: -13A3A

Hexadecimal: -6b0e

Square: 751088836

Square Root: 165.5475762432057

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 lcm(1,2,3,...,k)/13 equals the denominator of the k-th harmonic number H(k). A112818

a(n) = 1 + (6 + (11 + (6 + n)*n)*n)*n/24. A145126

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock. A236710

a(n)² is the end of the first occurrence of n consecutive perfect powers, all of which are squares with exponents equal to 2 (A111245). A340664

Numerators of continued fraction convergents to sqrt(827). A42596

Indices of prime numbers in A014258. A101760

a(n) = (2·n+1)*(11·n+1). A33575

Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock. A236706

Number of (n+1)X(3+1) 0..2 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock. A236707

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 345", based on the 5-celled von Neumann neighborhood. A271295