Properties of the Number 72441

Seventy-Two Thousand Four Hundred Forty-One

Basics

Value: 72440 → 72441 → 72442

Parity: odd

Prime: No

Previous Prime: 72431

Next Prime: 72461

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 2683

Divisors: 1, 3, 9, 27, 2683, 8049, 24147, 72441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101011111001

Octal: 215371

Duodecimal: 35B09

Hexadecimal: 11af9

Square: 5247698481

Square Root: 269.1486578082826

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

Fibonacci sequence beginning 1, 6. A22096

Numbers k divisible by at least one nontrivial permutation (rearrangement) of the digits of k, excluding all permutations that result in digit loss. A90056

a(0)=0; a(1)=1; a(n) = ∑_{k=1..floor(n^1/3)} a(n-k) for n >= 2. A132916

s(k)-s(j), where the pairs (k,j) are given by A205872 and A205873, and s(k) denotes the (k+1)-st Fibonacci number. A205874

Values of·in the solutions to x² - 3xy + y² + 29 = 0, where 0 < x < y. A218735

a(n) = (n+1)*(14·n³+13·n²+6·n+1). A27850

Number of sets in the geometry determined by the Hausdorff metric at each location between two sets defined by a complete bipartite graph K(4,n) (with n at least 4) missing three edges, where all three removed edges are incident to different vertices in the 4-point set but exactly two removed edges are incident to the same vertex in the other set. A341553

Triangle version of the array w(N,L) of the average number of round trips of length L on Laguerre graphs L_N. A201198

Least k such that ∑_i=1..k sin(1/sqrt(i)) > n. A72441