λ
Ratio Atlas

513,679

513679
Deficient Odd Prime

513,679 factors as 513679. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 107 steps.

Prime Factor Structure

Factorization String 513679
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 513,680
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #513673 ← → #513683

Radix Representation

Decimal 513679
Binary 1111101011010001111 (19 bits)
Octal 0o1753217
Hexadecimal 0x7D68F

Divisor Catalog (2)

Collatz Trajectory (107 steps to reach 1)

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

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