λ
Sequence Observatory

1,370,412

22 × 33 × 12689
Abundant Even Composite

Starting at 1,370,412, the Collatz iteration reaches 1 after 62 steps. The first transition is 685206; the starting value is even with 24 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 3^3 × 12689
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 3,553,200
Proper Divisor Sum 2,182,788
Digit Sum / Digital Root 18 (Root: 9)
Adjacent Primes #1370407 ← → #1370431

Radix Representation

Decimal 1370412
Binary 101001110100100101100 (21 bits)
Octal 0o5164454
Hexadecimal 0x14E92C

Divisor Catalog (5 of 24)

1 2 3 4 6

Collatz Trajectory (62 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.

1,370,412 685,206 342,603 1,027,810 513,905

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