Properties of the Number 60820

Sixty Thousand Eight Hundred Twenty

Basics

Value: 60819 → 60820 → 60821

Parity: even

Prime: No

Previous Prime: 60811

Next Prime: 60821

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 3041

Divisors: 1, 2, 4, 5, 10, 20, 3041, 6082, 12164, 15205

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110110110010100

Octal: 166624

Duodecimal: 2B244

Hexadecimal: ed94

Square: 3699072400

Square Root: 246.61711213944582

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. satisfies ∑_n>=0 xⁿ * abs(1/A(x)ⁿ) = C(x), where C(x) = 1 + x·C(x)² and abs(F(x)) equals the series expansion formed by the unsigned coefficients in F(x). A382122

Number of nondecreasing arrangements of n+2 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four. A189319

a(n) = ∑_k=0..n k·A000009(k). A270105

a(n) = (2·n-1)² + (2·n)². A60820