Properties of the Number 98230

Ninety-Eight Thousand Two Hundred Thirty

Basics

Value: 98229 → 98230 → 98231

Parity: even

Prime: No

Previous Prime: 98227

Next Prime: 98251

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 11 × 19 × 47

Divisors: 1, 2, 5, 10, 11, 19, 22, 38, 47, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111111110110110

Octal: 277666

Duodecimal: 48A1A

Hexadecimal: 17fb6

Square: 9649132900

Square Root: 313.4166555880526

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 (k, σ(k)) lies on a circle with integral radius centered at the origin, i.e., k² + σ(k)² is a square. A66764

a(n) = n * [1 + sum(k=1 to n-1) prime(k)]. A83719

a(n) = 6·2ⁿ⁺¹ - 5*(n+1) - 4. A114958

Number of 6-step S, NW and NE-moving king's tours on an n X n board summed over all starting positions. A187380

Let φ be the one-to-one mapping between binary trees and natural numbers described in the Tychonievich link. Let a(n) = min({φ^-1(t)| size(t)=n}); i.e., a(n) is the rank -- starting from 0 -- of the first tree the size of which is n. A296689

75-gonal numbers: a(n) = n*(73·n-71)/2. A98230