Properties of the Number 61222

Sixty-One Thousand Two Hundred Twenty-Two

Basics

Value: 61221 → 61222 → 61223

Parity: even

Prime: No

Previous Prime: 61211

Next Prime: 61223

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 4373

Divisors: 1, 2, 7, 14, 4373, 8746, 30611, 61222

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111100100110

Octal: 167446

Duodecimal: 2B51A

Hexadecimal: ef26

Square: 3748133284

Square Root: 247.4307984063423

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

Main diagonal of triangle A127496: a(n) = A127496(n,n) for n>=0. A127497

The number of irreducible zero-sum subsets of {-n..n} that contain -n but not n. A390082

G.f. A(x) satisfies: [x^k] (1+x)^n*(n+1/2) * A(x) = 0 for k = n*(n-1)/2 + 1 through k = n*(n+1)/2 for n >= 1. A305601

a(n) = n² + (n + 1)³ + (n + 2)⁴. A61222