λ
Ratio Atlas

515,121

3 × 171707
Deficient Odd Composite

515,121 factors as 3 × 171707. Its 4 positive divisors give a proper-divisor sum of 171,711, so this integer is deficient. The Collatz stopping time is 50 steps.

Prime Factor Structure

Factorization String 3 × 171707
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 686,832
Proper Divisor Sum 171,711
Digit Sum / Digital Root 15 (Root: 6)
Adjacent Primes #515111 ← → #515143

Radix Representation

Decimal 515121
Binary 1111101110000110001 (19 bits)
Octal 0o1756061
Hexadecimal 0x7DC31

Divisor Catalog (4)

Collatz Trajectory (50 steps to reach 1)

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

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