Properties of the Number 90098

Ninety Thousand Ninety-Eight

Basics

Value: 90097 → 90098 → 90099

Parity: even

Prime: No

Previous Prime: 90089

Next Prime: 90107

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 19 × 2371

Divisors: 1, 2, 19, 38, 2371, 4742, 45049, 90098

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101111111110010

Octal: 257762

Duodecimal: 44182

Hexadecimal: 15ff2

Square: 8117649604

Square Root: 300.1632888945615

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

Numbers k such that k² is composed of three 1-digit-overlapping subsquares. A48426

a(n) = 4·a(n-1) - a(n-2), with a(0) = 1, a(1) = 1. A1835

Length of shortest addition chain for n. A3313

Array T(m,n) read by antidiagonals: number of domino tilings (or dimer tilings) of the m X n grid (or m X n rectangle), for m>=1, n>=1. A99390

Table of Sprague-Grundy values for Wythoff's game (Wyt Queens) read by antidiagonals. A4481

Number of perfect matchings (or domino tilings) in P₅ X P_2n. A3775

Coefficients in sexagesimal expansion of the positive root of x³ + 2·x² + 10·x = 20, first studied by Leonardo of Pisa (Fibonacci) in 1225. A159990

Number of perfect matchings in graph P₆ X P_n. A28468

Number of perfect matchings in graph P₈ X P_n. A28470

Bases such that the smallest prime-power-pseudoprime is belonging to equals 25. A90098