Properties of the Number 9998

Nine Thousand Nine Hundred Ninety-Eight

Basics

Value: 9997 → 9998 → 9999

Parity: even

Prime: No

Previous Prime: 9973

Next Prime: 10007

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 × 4999

Divisors: 1, 2, 4999, 9998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100001110

Octal: 23416

Duodecimal: 5952

Hexadecimal: 270e

Square: 99960004

Square Root: 99.98999949994999

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

Smallest even number with digit sum n. A69532

Numbers in which 9 outnumbers all other digits together. A292739

Positive integers k such that f(k)+f(k)=concatenation of k and k, where f(k)=k(k+3)/2 (A000096). A99150

Numbers k such that k concatenated with k-4 gives the product of two numbers which differ by 5. A116130

Numbers which have only digits 8 and 9 in base 10. A256341

Numbers whose smallest decimal digit is 8. A284069

Numbers k such that the digits of sqrt(k) begin with k. A307371

Numbers k such that k divides the sum of digits of all numbers from 1 to k. A114136

Largest n-digit semiprime. A98450

Numbers k such that k*(k+4) gives the concatenation of two numbers m and m-3. A116267