λ
Sequence Observatory

7,105,698

2 × 33 × 181 × 727
Abundant Even Composite

Starting at 7,105,698, the Collatz iteration reaches 1 after 191 steps. The first transition is 3552849; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^3 × 181 × 727
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 15,899,520
Proper Divisor Sum 8,793,822
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #7105697 ← → #7105699

Radix Representation

Decimal 7105698
Binary 11011000110110010100010 (23 bits)
Octal 0o33066242
Hexadecimal 0x6C6CA2

Divisor Catalog (32)

1 2 3 6 9 18 27 54 181 362 543 727 1,086 1,454 1,629 2,181 3,258 4,362 4,887 6,543 9,774 13,086 19,629 39,258 131,587 263,174 394,761 789,522 1,184,283 2,368,566 3,552,849 7,105,698

Collatz Trajectory (191 steps to reach 1)

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

7,105,698 3,552,849 10,658,548 5,329,274 2,664,637 7,993,912 3,996,956 1,998,478 999,239 2,997,718 1,498,859 4,496,578 2,248,289 6,744,868 3,372,434 1,686,217 5,058,652 2,529,326 1,264,663 3,793,990 1,896,995 5,690,986 2,845,493 8,536,480 4,268,240 2,134,120 1,067,060 533,530 266,765 800,296 400,148 200,074 100,037 300,112 150,056 75,028 37,514 18,757 56,272 28,136 14,068 7,034 3,517 10,552 5,276 2,638 1,319 3,958 1,979 5,938 2,969 8,908 4,454 2,227 6,682 3,341 10,024 5,012 2,506 1,253

More profiles

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