λ
Sequence Observatory

1,137,906

2 × 32 × 7 × 11 × 821
Abundant Even Composite

Starting at 1,137,906, the Collatz iteration reaches 1 after 147 steps. The first transition is 568953; the starting value is even with 48 positive divisors.

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Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 11 × 821
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 3,077,568
Proper Divisor Sum 1,939,662
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #1137889 ← → #1137911

Radix Representation

Decimal 1137906
Binary 100010101110011110010 (21 bits)
Octal 0o4256362
Hexadecimal 0x115CF2

Divisor Catalog (5 of 48)

1 2 3 6 7

Collatz Trajectory (147 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.

1,137,906 568,953 1,706,860 853,430 426,715

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