λ
Sequence Observatory

1,246,224

24 × 3 × 7 × 3709
Abundant Even Composite

Starting at 1,246,224, the Collatz iteration reaches 1 after 54 steps. The first transition is 623112; the starting value is even with 40 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 3 × 7 × 3709
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 40
Divisor Sum (σ) 3,680,320
Proper Divisor Sum 2,434,096
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #1246213 ← → #1246241

Radix Representation

Decimal 1246224
Binary 100110000010000010000 (21 bits)
Octal 0o4602020
Hexadecimal 0x130410

Divisor Catalog (40)

Collatz Trajectory (54 steps to reach 1)

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

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