λ
Ratio Atlas

15,158,519

15158519
Deficient Odd Prime

15,158,519 factors as 15158519. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 249 steps.

Prime Factor Structure

Factorization String 15158519
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 15,158,520
Proper Divisor Sum 1
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #15158501 ← → #15158527

Radix Representation

Decimal 15158519
Binary 111001110100110011110111 (24 bits)
Octal 0o71646367
Hexadecimal 0xE74CF7

Divisor Catalog (2)

Collatz Trajectory (249 steps to reach 1)

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

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