Properties of the Number -60626

Sixty Thousand Six Hundred Twenty-Six

Basics

Value: -60627 → -60626 → -60625

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 30313

Divisors: 1, 2, 30313, 60626

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110110011010010

Octal: -166322

Duodecimal: -2B102

Hexadecimal: -ecd2

Square: 3675511876

Square Root: 246.22347572885897

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

G.f.: A(x) = ∑_n>=0 x^n*(n+1/2) / ∏_k=1..n (1-x^k)^k. A206138

T(n,k)=Number of nXk 0..3 arrays with no element equal to the sum of elements to its left or the sum of the elements above it or the sum of the elements diagonally to its northwest, modulo 4. A239424

a(n) = (binomial(4·n, 2·n) + (-1)ⁿ*binomial(2·n, n)²)/2. A36911

Number of nX4 0..3 arrays with no element equal to the sum of elements to its left or the sum of elements above it or the sum of the elements diagonally to its northwest, modulo 4. A239422

Expansion of e.g.f. 1/(1 - ∑_k>=1 φ(k)*x^k/k!), where φ is the Euler totient function A000010. A352887

a(n) = 1/2·binomial(2·n,n) - (1+(-1)ⁿ)/4*(binomial(n,floor(n/2)))². A58621

a(n) = ∑_k=0..n-1 binomial(2·n, k)². A387635