λ
Sequence Observatory

9,020,786

2 × 4510393
Deficient Even Composite

Starting at 9,020,786, the Collatz iteration reaches 1 after 163 steps. The first transition is 4510393; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4510393
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 13,531,182
Proper Divisor Sum 4,510,396
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #9020747 ← → #9020789

Radix Representation

Decimal 9020786
Binary 100010011010010101110010 (24 bits)
Octal 0o42322562
Hexadecimal 0x89A572

Divisor Catalog (4)

1 2 4,510,393 9,020,786

Collatz Trajectory (163 steps to reach 1)

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

9,020,786 4,510,393 13,531,180 6,765,590 3,382,795 10,148,386 5,074,193 15,222,580 7,611,290 3,805,645 11,416,936 5,708,468 2,854,234 1,427,117 4,281,352 2,140,676 1,070,338 535,169 1,605,508 802,754 401,377 1,204,132 602,066 301,033 903,100 451,550 225,775 677,326 338,663 1,015,990 507,995 1,523,986 761,993 2,285,980 1,142,990 571,495 1,714,486 857,243 2,571,730 1,285,865 3,857,596 1,928,798 964,399 2,893,198 1,446,599 4,339,798 2,169,899 6,509,698 3,254,849 9,764,548 4,882,274 2,441,137 7,323,412 3,661,706 1,830,853 5,492,560 2,746,280 1,373,140 686,570 343,285

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