λ
Sequence Observatory

3,120,566

2 × 151 × 10333
Deficient Even Composite

Starting at 3,120,566, the Collatz iteration reaches 1 after 301 steps. The first transition is 1560283; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 151 × 10333
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 4,712,304
Proper Divisor Sum 1,591,738
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #3120563 ← → #3120589

Radix Representation

Decimal 3120566
Binary 1011111001110110110110 (22 bits)
Octal 0o13716666
Hexadecimal 0x2F9DB6

Divisor Catalog (8)

1 2 151 302 10,333 20,666 1,560,283 3,120,566

Collatz Trajectory (301 steps to reach 1)

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

3,120,566 1,560,283 4,680,850 2,340,425 7,021,276 3,510,638 1,755,319 5,265,958 2,632,979 7,898,938 3,949,469 11,848,408 5,924,204 2,962,102 1,481,051 4,443,154 2,221,577 6,664,732 3,332,366 1,666,183 4,998,550 2,499,275 7,497,826 3,748,913 11,246,740 5,623,370 2,811,685 8,435,056 4,217,528 2,108,764 1,054,382 527,191 1,581,574 790,787 2,372,362 1,186,181 3,558,544 1,779,272 889,636 444,818 222,409 667,228 333,614 166,807 500,422 250,211 750,634 375,317 1,125,952 562,976 281,488 140,744 70,372 35,186 17,593 52,780 26,390 13,195 39,586 19,793

More profiles

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