λ
Sequence Observatory

8,865,725

52 × 11 × 103 × 313
Deficient Odd Composite

Starting at 8,865,725, the Collatz iteration reaches 1 after 142 steps. The first transition is 26597176; the starting value is odd with 24 positive divisors.

Prime Factor Structure

Factorization String 5^2 × 11 × 103 × 313
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 12,148,032
Proper Divisor Sum 3,282,307
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #8865719 ← → #8865737

Radix Representation

Decimal 8865725
Binary 100001110100011110111101 (24 bits)
Octal 0o41643675
Hexadecimal 0x8747BD

Divisor Catalog (24)

1 5 11 25 55 103 275 313 515 1,133 1,565 2,575 3,443 5,665 7,825 17,215 28,325 32,239 86,075 161,195 354,629 805,975 1,773,145 8,865,725

Collatz Trajectory (142 steps to reach 1)

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

8,865,725 26,597,176 13,298,588 6,649,294 3,324,647 9,973,942 4,986,971 14,960,914 7,480,457 22,441,372 11,220,686 5,610,343 16,831,030 8,415,515 25,246,546 12,623,273 37,869,820 18,934,910 9,467,455 28,402,366 14,201,183 42,603,550 21,301,775 63,905,326 31,952,663 95,857,990 47,928,995 143,786,986 71,893,493 215,680,480 107,840,240 53,920,120 26,960,060 13,480,030 6,740,015 20,220,046 10,110,023 30,330,070 15,165,035 45,495,106 22,747,553 68,242,660 34,121,330 17,060,665 51,181,996 25,590,998 12,795,499 38,386,498 19,193,249 57,579,748 28,789,874 14,394,937 43,184,812 21,592,406 10,796,203 32,388,610 16,194,305 48,582,916 24,291,458 12,145,729

More profiles

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