ℕ atory
Play Now

Properties of the Number 27824

Twenty-Seven Thousand Eight Hundred Twenty-Four

Basics

Value: 27823 → 27824 → 27825

Parity: even

Prime: No

Previous Prime: 27823

Next Prime: 27827

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 4 × 37 × 47

Divisors: 1, 2, 4, 8, 16, 37, 47, 74, 94, 148

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110010110000

Octal: 66260

Duodecimal: 14128

Hexadecimal: 6cb0

Square: 774174976

Square Root: 166.80527569594435

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

a(n) = 2n - C(n,0) - C(n,1) - ... - C(n,5). A35038
a(n) = ∑k=0..9 binomial(n,k). A8862
Expansion of 1/(g * (2-g))2, where g = 1+x·g2 is the g.f. of A000108. A391222
Triangular array: (1/2)*A193846. A193848
Triangle read by rows: T(n,k) is the number of balanced reduced multisystems of weight n with atoms colored using exactly k colors. A330776
Number of tilings of a 5 X n rectangle using n pentominoes of shapes T, N, X. A361250
Triangular array: (1/2)*A193847. A193849
a(n) = binomial(3·n, n + 1)*hypergeom([1, 1 - 2·n], [2 + n], -1). A321957
The numbers such that the sum of their proper divisors minus the product of their digits equals the number. A331098
Number of planar n X n X n binary triangular grids with no more than 9 ones in any 5 X 5 X 5 subtriangle. A153543