λ
Ratio Atlas

12,519,517

12519517
Deficient Odd Prime

12,519,517 factors as 12519517. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 47 steps.

Prime Factor Structure

Factorization String 12519517
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 12,519,518
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #12519511 ← → #12519527

Radix Representation

Decimal 12519517
Binary 101111110000100001011101 (24 bits)
Octal 0o57604135
Hexadecimal 0xBF085D

Divisor Catalog (2)

Collatz Trajectory (47 steps to reach 1)

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

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