λ
Sequence Observatory

7,348,786

2 × 43 × 85451
Deficient Even Composite

Starting at 7,348,786, the Collatz iteration reaches 1 after 59 steps. The first transition is 3674393; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 43 × 85451
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 11,279,664
Proper Divisor Sum 3,930,878
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #7348751 ← → #7348787

Radix Representation

Decimal 7348786
Binary 11100000010001000110010 (23 bits)
Octal 0o34021062
Hexadecimal 0x702232

Divisor Catalog (8)

1 2 43 86 85,451 170,902 3,674,393 7,348,786

Collatz Trajectory (59 steps to reach 1)

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

7,348,786 3,674,393 11,023,180 5,511,590 2,755,795 8,267,386 4,133,693 12,401,080 6,200,540 3,100,270 1,550,135 4,650,406 2,325,203 6,975,610 3,487,805 10,463,416 5,231,708 2,615,854 1,307,927 3,923,782 1,961,891 5,885,674 2,942,837 8,828,512 4,414,256 2,207,128 1,103,564 551,782 275,891 827,674 413,837 1,241,512 620,756 310,378 155,189 465,568 232,784 116,392 58,196 29,098 14,549 43,648 21,824 10,912 5,456 2,728 1,364 682 341 1,024 512 256 128 64 32 16 8 4 2 1

More profiles

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