Properties of the Number -999994

Nine Hundred Ninety-Nine Thousand Nine Hundred Ninety-Four

Basics

Value: -999995 → -999994 → -999993

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 49

Digital Root: 4

Palindrome: No

Factorization: 2 × 23 × 21739

Divisors: 1, 2, 23, 46, 21739, 43478, 499997, 999994

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -11110100001000111010

Octal: -3641072

Duodecimal: -40284A

Hexadecimal: -f423a

Square: 999988000036

Square Root: 999.9969999955

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) = 10ⁿ - n. A24115

Numbers k such that k * (k + 8) is the concatenation of two numbers m and m-7. A116244

Numbers k such that k * (k + 7) is the concatenation of a number m with itself. A116291

Numbers k such that k concatenated with itself gives the product of two numbers which differ by 7. A116160

Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 9. A116109

a(n) is the largest number which can be formed with no zeros, using least number of digits and having digit sum = n. A61219

a(n) is the largest n-digit number with exactly 8 divisors, a(n) = 0 if no such number exists. A182676

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

Numbers k such that if k = a·b, then a+b = reversal(k) for some integers a,b > 1. A161791

Numbers that are the sum or product of two numbers, such that the sum and product have reversed digits. A166749