Properties of the Number 27741

Twenty-Seven Thousand Seven Hundred Forty-One

Basics

Value: 27740 → 27741 → 27742

Parity: odd

Prime: No

Previous Prime: 27739

Next Prime: 27743

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 1321

Divisors: 1, 3, 7, 21, 1321, 3963, 9247, 27741

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110001011101

Octal: 66135

Duodecimal: 14079

Hexadecimal: 6c5d

Square: 769563081

Square Root: 166.5562967888035

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 in base 10 that are palindromic in bases 5 and 6. A97930

G.f.: exp( ∑_n>=1 σ(2n)*xⁿ/n ). A182818

Triangle, read by rows, where column k of T = column 0 of matrix power T^(k+1)(k+2)/2 for k>=0, with T(n,0)=1 for n>=0. A134523

Numbers that are nontrivially palindromic in two or more consecutive integer bases with non-constant number of digits . A327810

Antidiagonal sums of array A094954. A94957

Expansion of 1/((1+x)*sqrt(1-2·x-3·x²) - x). A116394

Great rhombicuboctahedron with faces of centered polygons. A193252

Number of permutations of length n with two 4-sequences. A247109

Solutions to A096509[x]=6; number of prime-powers [including primes] in the neighborhood of·with Ceiling[Log[x]] radius equals 6. A96517

Triangle read by rows: T(n,k) is the number of labeled quasi-threshold graphs on vertex set [n] with k components, for n >= 1 and 1 <= k <= n. A350528