λ
Sequence Observatory

7,744,554

2 × 32 × 17 × 25309
Abundant Even Composite

Starting at 7,744,554, the Collatz iteration reaches 1 after 186 steps. The first transition is 3872277; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 17 × 25309
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 17,767,620
Proper Divisor Sum 10,023,066
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #7744549 ← → #7744603

Radix Representation

Decimal 7744554
Binary 11101100010110000101010 (23 bits)
Octal 0o35426052
Hexadecimal 0x762C2A

Divisor Catalog (24)

1 2 3 6 9 17 18 34 51 102 153 306 25,309 50,618 75,927 151,854 227,781 430,253 455,562 860,506 1,290,759 2,581,518 3,872,277 7,744,554

Collatz Trajectory (186 steps to reach 1)

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

7,744,554 3,872,277 11,616,832 5,808,416 2,904,208 1,452,104 726,052 363,026 181,513 544,540 272,270 136,135 408,406 204,203 612,610 306,305 918,916 459,458 229,729 689,188 344,594 172,297 516,892 258,446 129,223 387,670 193,835 581,506 290,753 872,260 436,130 218,065 654,196 327,098 163,549 490,648 245,324 122,662 61,331 183,994 91,997 275,992 137,996 68,998 34,499 103,498 51,749 155,248 77,624 38,812 19,406 9,703 29,110 14,555 43,666 21,833 65,500 32,750 16,375 49,126

More profiles

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