λ
Sequence Observatory

612,115

5 × 7 × 17489
Deficient Odd Composite

Starting at 612,115, the Collatz iteration reaches 1 after 203 steps. The first transition is 1836346; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 5 × 7 × 17489
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 839,520
Proper Divisor Sum 227,405
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #612113 ← → #612133

Radix Representation

Decimal 612115
Binary 10010101011100010011 (20 bits)
Octal 0o2253423
Hexadecimal 0x95713

Divisor Catalog (5 of 8)

1 5 7 35 17,489

Collatz Trajectory (203 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.

612,115 1,836,346 918,173 2,754,520 1,377,260

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