9,157,009

103 × 88903

Starting at 9,157,009, the Collatz iteration reaches 1 after 80 steps. The first transition is 27471028; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 103 × 88903

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 9,246,016

Proper Divisor Sum 89,007

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #9157007 ← → #9157021

Radix Representation

Decimal	9157009
Binary	100010111011100110010001 (24 bits)
Octal	0o42734621
Hexadecimal	0x8BB991

Divisor Catalog (4)

1 103 88,903 9,157,009

Collatz Trajectory (80 steps to reach 1)

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

9,157,009 27,471,028 13,735,514 6,867,757 20,603,272 10,301,636 5,150,818 2,575,409 7,726,228 3,863,114 1,931,557 5,794,672 2,897,336 1,448,668 724,334 362,167 1,086,502 543,251 1,629,754 814,877 2,444,632 1,222,316 611,158 305,579 916,738 458,369 1,375,108 687,554 343,777 1,031,332 515,666 257,833 773,500 386,750 193,375 580,126 290,063 870,190 435,095 1,305,286 652,643 1,957,930 978,965 2,936,896 1,468,448 734,224 367,112 183,556 91,778 45,889 137,668 68,834 34,417 103,252 51,626 25,813 77,440 38,720 19,360 9,680

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