Properties of the Number 61488

Sixty-One Thousand Four Hundred Eighty-Eight

Basics

Value: 61487 → 61488 → 61489

Parity: even

Prime: No

Previous Prime: 61487

Next Prime: 61493

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 7 × 61

Divisors: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111000000110000

Octal: 170060

Duodecimal: 2B700

Hexadecimal: f030

Square: 3780774144

Square Root: 247.9677398372619

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

Numbers that have exactly eight prime factors counted with multiplicity (A046310) whose digit reversal is different and also has 8 prime factors (with multiplicity). A109028

a(n) = sigma₃(n) - sigma₁(n). A92348

a(n) = n! * Laguerre(n, 2·n). A332692

Expansion of (b(q⁶) * c(q⁶)) / (b(q³) * c(q³)) in powers of q where b(), c() are cubic AGM θ functions. A102315

a(n) = 64·n² - 16. A157913

a(n) = 961·n² - 2·n. A158410

a(n) = the smallest number k such that the base-10 digital sum of σ(k) is n. A256635

Dirichlet g.f.: (ζ(s-3) / ζ(s))². A338165

1/3 of the number of 3-colorings of an n X n array symmetric about main diagonal. A145237

a(n) = 1·4*7 + 4·7*10 + 7·10·13 + ... (n terms). A196513