λ
Sequence Observatory

8,430,813

32 × 19 × 47 × 1049
Deficient Odd Composite

Starting at 8,430,813, the Collatz iteration reaches 1 after 106 steps. The first transition is 25292440; the starting value is odd with 24 positive divisors.

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Prime Factor Structure

Factorization String 3^2 × 19 × 47 × 1049
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 13,104,000
Proper Divisor Sum 4,673,187
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #8430803 ← → #8430833

Radix Representation

Decimal 8430813
Binary 100000001010010011011101 (24 bits)
Octal 0o40122335
Hexadecimal 0x80A4DD

Divisor Catalog (5 of 24)

1 3 9 19 47

Collatz Trajectory (106 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.

8,430,813 25,292,440 12,646,220 6,323,110 3,161,555

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