λ
Sequence Observatory

5,160,056

23 × 11 × 191 × 307
Abundant Even Composite

Starting at 5,160,056, the Collatz iteration reaches 1 after 131 steps. The first transition is 2580028; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 11 × 191 × 307
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 10,644,480
Proper Divisor Sum 5,484,424
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #5160049 ← → #5160079

Radix Representation

Decimal 5160056
Binary 10011101011110001111000 (23 bits)
Octal 0o23536170
Hexadecimal 0x4EBC78

Divisor Catalog (32)

1 2 4 8 11 22 44 88 191 307 382 614 764 1,228 1,528 2,101 2,456 3,377 4,202 6,754 8,404 13,508 16,808 27,016 58,637 117,274 234,548 469,096 645,007 1,290,014 2,580,028 5,160,056

Collatz Trajectory (131 steps to reach 1)

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

5,160,056 2,580,028 1,290,014 645,007 1,935,022 967,511 2,902,534 1,451,267 4,353,802 2,176,901 6,530,704 3,265,352 1,632,676 816,338 408,169 1,224,508 612,254 306,127 918,382 459,191 1,377,574 688,787 2,066,362 1,033,181 3,099,544 1,549,772 774,886 387,443 1,162,330 581,165 1,743,496 871,748 435,874 217,937 653,812 326,906 163,453 490,360 245,180 122,590 61,295 183,886 91,943 275,830 137,915 413,746 206,873 620,620 310,310 155,155 465,466 232,733 698,200 349,100 174,550 87,275 261,826 130,913 392,740 196,370

More profiles

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