Properties of the Number 55546

Fifty-Five Thousand Five Hundred Forty-Six

Basics

Value: 55545 → 55546 → 55547

Parity: even

Prime: No

Previous Prime: 55541

Next Prime: 55547

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 27773

Divisors: 1, 2, 27773, 55546

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100011111010

Octal: 154372

Duodecimal: 2818A

Hexadecimal: d8fa

Square: 3085358116

Square Root: 235.6819891294199

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) = a(n-1)+a(m), where m=2n-2-2^p+1 and 2^p<n-1<=2^p+1, for n >= 4. A50071

Numbers n such that { x +- 2^k : 0 < k < 4 } are primes, where x = 210·n - 105. A61671

Number of nX7 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 1,4,3,2,0 for x=0,1,2,3,4. A196928

Number of digits in quotient {R_{n·R_n}}/(R_n)², where R_n=A002275(n),n·R_n=A053422(n). A121324

Number of n X n 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 1,4,3,2,0 for x=0,1,2,3,4. A196925

a(n) = (-1)ⁿ⁺¹ * 2ⁿ * n!². A55546

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 1,4,3,2,0 for x=0,1,2,3,4. A196929