Properties of the Number 98290

Ninety-Eight Thousand Two Hundred Ninety

Basics

Value: 98289 → 98290 → 98291

Parity: even

Prime: No

Previous Prime: 98269

Next Prime: 98297

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 9829

Divisors: 1, 2, 5, 10, 9829, 19658, 49145, 98290

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111111110010

Octal: 277762

Duodecimal: 48A6A

Hexadecimal: 17ff2

Square: 9660924100

Square Root: 313.5123602029113

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

a(n) = ∑_k=0..n C(n-k, floor(k/2)). A97333

Expansion of (1+x)(1+x²)/(1-x-x³). A3410

Expansion of (1 - x²)/(1 - x - x³). A58278

a(0) = 1, a(1) = 2, a(2) = 5; for n >= 3, a(n) = a(n-1) + 2·a(n-2) + a(n-3). A101399

Positions of the positive integers in the ordering of rational numbers as generated by the rules: 1 is in S, and if nonzero·is in S, then x+1 and -1/x are in S. (See Comments.) A226136

Positions of the integers in the ordering of rational numbers as generated by the rules: 1 is in S, and if nonzero·is in S, then x+1 and -1/x are in S. (See Comments.) A226137

a(n) = a(n-3) + 2·a(n-6) + a(n-9). A109533

Number of new rationals produced at the n-th iteration by applying the map t -> {t+1, -1/t} to nonzero terms, starting with S[0] = {1}. A226275

E.g.f. A(x) satisfies A(x) = 1/( 1 - x·A(x) * cosh(x·A(x)) )². A381478

Recurrence sequence based on positions of digits in decimal places of ζ(3) (Apery's constant). A98290