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Properties of the Number 18064

Eighteen Thousand Sixty-Four

Basics

Value: 18063 → 18064 → 18065

Parity: even

Prime: No

Previous Prime: 18061

Next Prime: 18077

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 4 × 1129

Divisors: 1, 2, 4, 8, 16, 1129, 2258, 4516, 9032, 18064

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 100011010010000

Octal: 43220

Duodecimal: A554

Hexadecimal: 4690

Square: 326308096

Square Root: 134.40238093129153

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

Difference between larger and smaller terms of n-th amicable pair. A66539
Number of different multisets that can be obtained by choosing a prime index (or a prime factor) of each integer from 2 to n. A355746
Number of rooted highly irregular trees with n nodes. A259863
Expansion of 1 / (χ(-x) * χ(-x3)) in powers of·where χ() is a Ramanujan θ function. A328798
Numbers missing from A001033 despite satisfying the necessary congruence conditions (see comments). A274470
Difference between the larger and smaller terms of the n-th amicable pair (x,y) given in A259933. A275469
Let tk denote the triangular number k*(k+1)/2. Suppose 0 < x < y < z are integers satisfying tx + ty = tp, ty + tz = tq, tx + tz = tr, for integers p,q,r. Sort the triples [x,y,z] first by x, then by y. Sequence gives the values of q. A332592
Half the number of nX4 binary arrays with no element equal to a strict majority of its horizontal and vertical neighbors. A183305
Solution of the complementary equation a(n) = 2·a(n-1) - a(n-2) + b(n-1) + 1, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A294869
a(n) = (117·n2 - 99·n + 2)/2. A50408