Properties of the Number 27550

Twenty-Seven Thousand Five Hundred Fifty

Basics

Value: 27549 → 27550 → 27551

Parity: even

Prime: No

Previous Prime: 27541

Next Prime: 27551

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 ² × 19 × 29

Divisors: 1, 2, 5, 10, 19, 25, 29, 38, 50, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110101110011110

Octal: 65636

Duodecimal: 13B3A

Hexadecimal: 6b9e

Square: 759002500

Square Root: 165.98192672697832

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) = A063997(n)/4. A88406

T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime. A251962

G.f.: A(x,y) = ∑_n>=0,m>=0 (2^m-1)ⁿ*xⁿ * log(1+y)^m/m!. A163353

a(n) = ∑_i=n..n+3 ∑_j=i+1..n+4 prime(i)*prime(j). A127350

a(n) = ((1 - sqrt(3))ⁿ + (1 + sqrt(3))ⁿ)/2^floor((n - 1)/2); n-th row common denominator of A321118. A321119

Numerators of continued fraction convergents to sqrt(108). A41194

Easter occurrences on March 22, March 23, ..., April 25 during a 5,700,000-year Gregorian Easter cycle. A224110

26-gonal pyramidal numbers: a(n) = n*(n+1)*(8·n-7)/2. A256646

Expansion of ∏_k>=1 1/((1 - x^k)*(1 - x^5·k)). A318028

Total number of nodes in all self-avoiding planar walks starting at (0,0), ending at (n,0), not extending above the line (x,2x) or below the line (x,-2x), and using steps (0,1), (-1,1), and (1,-1) with the restriction that (-1,1) and (1,-1) are always immediately followed by (0,1). A328140