λ
Ratio Atlas

6,989,987

6989987
Deficient Odd Prime

6,989,987 factors as 6989987. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 266 steps.

Prime Factor Structure

Factorization String 6989987
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 6,989,988
Proper Divisor Sum 1
Digit Sum / Digital Root 56 (Root: 2)
Adjacent Primes #6989963 ← → #6990001

Radix Representation

Decimal 6989987
Binary 11010101010100010100011 (23 bits)
Octal 0o32524243
Hexadecimal 0x6AA8A3

Divisor Catalog (2)

Collatz Trajectory (266 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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