Properties of the Number 80256

Eighty Thousand Two Hundred Fifty-Six

Basics

Value: 80255 → 80256 → 80257

Parity: even

Prime: No

Previous Prime: 80251

Next Prime: 80263

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁷ × 3 × 11 × 19

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 16, 19

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011100110000000

Octal: 234600

Duodecimal: 3A540

Hexadecimal: 13980

Square: 6441025536

Square Root: 283.2948993540124

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

Number of subsets of integers 1 through n (including the empty set) containing no pair of integers that share a common factor. A84422

Euler transform is 1 / (q j(q)) where j is j-function (A000521). A192731

Number of maximal sum-free subsets of {1,2,...,n}. A121269

Numbers with prime factorization pqrs⁷. A190473

McKay-Thompson series of class 24F for Monster. A58576

Successive maxima in sequence A007365. A65933

A weight 1/2 meromorphic modular form associated with the j-function. A192732

Numbers k such that k = Product (p_j^e_j) = Product (p_j*(e_j + 1)). A304410

Expansion of e.g.f. 1/(1 + LambertW(-x·exp(x²))). A362604

a(n) = 12·A002605(n). A172011