Properties of the Number 99998

Ninety-Nine Thousand Nine Hundred Ninety-Eight

Basics

Value: 99997 → 99998 → 99999

Parity: even

Prime: No

Previous Prime: 99991

Next Prime: 100003

Digit Sum: 44

Digital Root: 8

Palindrome: No

Factorization: 2 × 49999

Divisors: 1, 2, 49999, 99998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000011010011110

Octal: 303236

Duodecimal: 49A52

Hexadecimal: 1869e

Square: 9999600004

Square Root: 316.2246037233662

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)³ is smallest cube containing exactly n 9's. A48374

Smallest even number with digit sum n. A69532

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

Largest n-digit semiprime. A98450

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

Numbers k such that k*(k+3) gives the concatenation of a number m with itself. A116287

a(n) is the largest m such that there exists N such that none of S(N), S(N+1), ..., S(N+m-1) is divisible by n, where S(N) is the sum of digits of N. A331786

n times n+5 gives the concatenation of two numbers m and m-6. A116249

Numbers k such that k*(k+6) gives the concatenation of two numbers m and m-9. A116229