Properties of the Number -999998

Nine Hundred Ninety-Nine Thousand Nine Hundred Ninety-Eight

Basics

Value: -999999 → -999998 → -999997

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 53

Digital Root: 8

Palindrome: No

Factorization: 2 × 31 × 127 ²

Divisors: 1, 2, 31, 62, 127, 254, 3937, 7874, 16129, 32258

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110100001000111110

Octal: -3641076

Duodecimal: -402852

Hexadecimal: -f423e

Square: 999996000004

Square Root: 999.9989999995

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

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

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

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

Second-order base-10 grafting integers. A232087

Indices of records in A034058. A389569

{Concatenation of n-1 and n+1}/n where n is a member of A069871. A77192