Properties of the Number 27545

Twenty-Seven Thousand Five Hundred Forty-Five

Basics

Value: 27544 → 27545 → 27546

Parity: odd

Prime: No

Previous Prime: 27541

Next Prime: 27551

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 × 787

Divisors: 1, 5, 7, 35, 787, 3935, 5509, 27545

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110101110011001

Octal: 65631

Duodecimal: 13B35

Hexadecimal: 6b99

Square: 758727025

Square Root: 165.96686416269966

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 ∑_j=1..k-1 (4j)!/16^j is an integer. A216044

a(n) = ∑_k=0..n q(n,k) * !k, where q(n,k) = number of partitions of n into k distinct parts and !k = subfactorial of k. A331518

Consider all integer triples (i,j,k), j >= k > 0, with binomial(i+2,3) = j³ + k³, ordered by increasing i; sequence gives i values. A54205

Starting with a(0)=5, a(n) = smallest squarefree number k such that, for all a(m) with m<n, k+a(m) is not squarefree. A80797

Minimum number of moves to rearrange a Tower of Hanoi puzzle with 3 colors. There are 3 rods with n discs in descending sizes. On the first rod there are n red discs, on the 2nd n blue discs and on the 3rd n white ones. A290187

Number of squarefree parts in the partitions of n into 8 parts. A309461

a(n) = n⁴*(n⁴+1)*(n²-1). A64583

Trajectory of 7 under the map m -> A082010(m). A152199

Third diagonal of A027539. A27545