λ
Match Zalai

1,290,717

32 × 143413
Deficient Odd Composite

1,290,717 factors as 3^2 × 143413. Its 6 positive divisors give a proper-divisor sum of 573,665, so this integer is deficient. The Collatz stopping time is 217 steps.

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Prime Factor Structure

Factorization String 3^2 × 143413
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 1,864,382
Proper Divisor Sum 573,665
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #1290683 ← → #1290719

Radix Representation

Decimal 1290717
Binary 100111011000111011101 (21 bits)
Octal 0o4730735
Hexadecimal 0x13B1DD

Divisor Catalog (5 of 6)

1 3 9 143,413 430,239

Collatz Trajectory (217 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

1,290,717 3,872,152 1,936,076 968,038 484,019

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