λ
Sequence Observatory

412,613

47 × 8779
Deficient Odd Composite

Starting at 412,613, the Collatz iteration reaches 1 after 29 steps. The first transition is 1237840; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 47 × 8779
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 421,440
Proper Divisor Sum 8,827
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #412609 ← → #412619

Radix Representation

Decimal 412613
Binary 1100100101111000101 (19 bits)
Octal 0o1445705
Hexadecimal 0x64BC5

Divisor Catalog (4)

Collatz Trajectory (29 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.

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