Properties of the Number 18299

Eighteen Thousand Two Hundred Ninety-Nine

Basics

Value: 18298 → 18299 → 18300

Parity: odd

Prime: No

Previous Prime: 18289

Next Prime: 18301

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 29 × 631

Divisors: 1, 29, 631, 18299

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100011101111011

Octal: 43573

Duodecimal: A70B

Hexadecimal: 477b

Square: 334853401

Square Root: 135.27379642783742

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

Denominators of convergents to π by Farey fractions. A63673

a(1) = 1, a(n) = prime(a(n-1)) + 3·a(n-1). A179513

Odd composite integers m such that A004254(m-J(m,21)) == 0 (mod m) and gcd(m,21)=1, where J(m,21) is the Jacobi symbol. A340098

Number of vertices in truncated tetrahedron with faces that are centered polygons. A193218

Positive integers i for which A112049(i) == 8. A112068

G.f. satisfies: A(x) = P(x·A(x)³) where A(x/P(x)³) = P(x) is the g.f. for partition numbers (A000041). A171804

Odd composite integers m such that U(m)² == 1 (mod m) and V(m) == 5 (mod m), where U(m)=A004254(m) and V(m)=A003501(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=5 and b=1, respectively. A337779

Main diagonal of the array A059503. A59509

Partial sums of A071619. A358042

47-gonal numbers. A95311