Properties of the Number 27748

Twenty-Seven Thousand Seven Hundred Forty-Eight

Basics

Value: 27747 → 27748 → 27749

Parity: even

Prime: No

Previous Prime: 27743

Next Prime: 27749

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 7 × 991

Divisors: 1, 2, 4, 7, 14, 28, 991, 1982, 3964, 6937

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110001100100

Octal: 66144

Duodecimal: 14084

Hexadecimal: 6c64

Square: 769951504

Square Root: 166.57730937915883

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

n³+Smallest square, (Smallest square >= n³). A176581

Admirable Harshad numbers n such that the subtracted divisor is equal to the digital sum of n. A111948

Number of 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero. A208598

Positions of 0's in A330314. A330325

A343182(n) converted from base 2 to base 10. A343183

Indices of 0 in A348295: numbers m such that ∑_k=1..m (-1)^{floor(k*(sqrt(2}-1))) = ∑_k=1..m (-1)^A097508(k) = 0. A348299

Convolution of odd primes with themselves. A84370

Irregular triangle read by rows: T(n,k) (0 <= k <= n²) are coefficients of cluster density function for site percolation on an n X n 2D square lattice with open boundary conditions. A365946

a(n) = permanent M_n where M_n is the n X n matrix m(i,j) = Bell(i+j). A278842

Irregular triangle in which first row is 1, n-th row (n > 1) lists distinct prime factors of n. A27748