λ
Sequence Observatory

3,091,537

312 × 3217
Deficient Odd Composite

Starting at 3,091,537, the Collatz iteration reaches 1 after 50 steps. The first transition is 9274612; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 31^2 × 3217
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 3,195,474
Proper Divisor Sum 103,937
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #3091511 ← → #3091549

Radix Representation

Decimal 3091537
Binary 1011110010110001010001 (22 bits)
Octal 0o13626121
Hexadecimal 0x2F2C51

Divisor Catalog (6)

1 31 961 3,217 99,727 3,091,537

Collatz Trajectory (50 steps to reach 1)

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

3,091,537 9,274,612 4,637,306 2,318,653 6,955,960 3,477,980 1,738,990 869,495 2,608,486 1,304,243 3,912,730 1,956,365 5,869,096 2,934,548 1,467,274 733,637 2,200,912 1,100,456 550,228 275,114 137,557 412,672 206,336 103,168 51,584 25,792 12,896 6,448 3,224 1,612 806 403 1,210 605 1,816 908 454 227 682 341 1,024 512 256 128 64 32 16 8 4 2 1

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