Properties of the Number 18429

Eighteen Thousand Four Hundred Twenty-Nine

Basics

Value: 18428 → 18429 → 18430

Parity: odd

Prime: No

Previous Prime: 18427

Next Prime: 18433

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 6143

Divisors: 1, 3, 6143, 18429

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100011111111101

Octal: 43775

Duodecimal: A7B9

Hexadecimal: 47fd

Square: 339628041

Square Root: 135.7534529947581

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

Semiprimes in A054556. A113693

Number of partitions p of n such that the number of distinct parts is a part and max(p) - min(p) is a part. A241387

a(n) = ∑_i=0..n digsum₃(i)⁴, where digsum₃(i) = A053735(i). A231505

Denominators of continued fraction convergents to sqrt(740). A42425

a(n) = n·2¹⁰ - 3. A362361

Let u(1)=u(2)=1, u(3)=n, u(k) = (1/2)*abs(2·u(k-1) -u(k-2)-u(k-3)); sequence gives values of n such that ∑_k>=1 u(k) is an integer. A78113

Numbers such that n² = 29 mod 1193. A165989

Numbers n such that n·2²²⁰³ - 1 is prime. A265503

G.f. satisfies: A(x) = x + A( A(x)³ + A(x)⁴ ). A323692

Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 90. A31588