Properties of the Number -99689

Ninety-Nine Thousand Six Hundred Eighty-Nine

Basics

Value: -99690 → -99689 → -99688

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 41

Digital Root: 5

Palindrome: No

Factorization: 99689

Divisors: 1, 99689

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11000010101101001

Octal: -302551

Duodecimal: -49835

Hexadecimal: -18569

Square: 9937896721

Square Root: 315.7356489216889

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

Primes having only {6, 8, 9} as digits. A385800

Decimal part of a(n)^1/2 starts with a 'nine digits' anagram. A34277

Harmonic mean of digits is 8. A62185

Primes with digit sum = 41. A106774

The first of three consecutive primes the sum of which is equal to the sum of three consecutive heptagonal numbers. A298302

Numbers n such that (19ⁿ + 5ⁿ)/24 is prime. A229612

Primes which can be represented as the sum of a square and its reverse. A72383

a(n) = largest prime using least number of possible digits with a digit sum n, or 0 if no such number exists. E.g., if n > 9 and there are no two-digit primes with a given digit sum n then three-digit numbers are explored and so on. A88115

Prime numbers which can be expressed as the sum of two numbers, one of which is the rotationally ambigrammatic transformation of the other excluding leading zeros. A340054