λ
Sequence Observatory

1,876,751

37 × 50723
Deficient Odd Composite

Starting at 1,876,751, the Collatz iteration reaches 1 after 109 steps. The first transition is 5630254; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 37 × 50723
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,927,512
Proper Divisor Sum 50,761
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #1876747 ← → #1876781

Radix Representation

Decimal 1876751
Binary 111001010001100001111 (21 bits)
Octal 0o7121417
Hexadecimal 0x1CA30F

Divisor Catalog (4)

1 37 50,723 1,876,751

Collatz Trajectory (109 steps to reach 1)

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

1,876,751 5,630,254 2,815,127 8,445,382 4,222,691 12,668,074 6,334,037 19,002,112 9,501,056 4,750,528 2,375,264 1,187,632 593,816 296,908 148,454 74,227 222,682 111,341 334,024 167,012 83,506 41,753 125,260 62,630 31,315 93,946 46,973 140,920 70,460 35,230 17,615 52,846 26,423 79,270 39,635 118,906 59,453 178,360 89,180 44,590 22,295 66,886 33,443 100,330 50,165 150,496 75,248 37,624 18,812 9,406 4,703 14,110 7,055 21,166 10,583 31,750 15,875 47,626 23,813 71,440

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