9,115,856

2⁴ × 101 × 5641

Starting at 9,115,856, the Collatz iteration reaches 1 after 80 steps. The first transition is 4557928; the starting value is even with 20 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 101 × 5641

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 17,840,004

Proper Divisor Sum 8,724,148

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #9115789 ← → #9115861

Radix Representation

Decimal	9115856
Binary	100010110001100011010000 (24 bits)
Octal	0o42614320
Hexadecimal	0x8B18D0

Divisor Catalog (20)

1 2 4 8 16 101 202 404 808 1,616 5,641 11,282 22,564 45,128 90,256 569,741 1,139,482 2,278,964 4,557,928 9,115,856

Collatz Trajectory (80 steps to reach 1)

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

9,115,856 4,557,928 2,278,964 1,139,482 569,741 1,709,224 854,612 427,306 213,653 640,960 320,480 160,240 80,120 40,060 20,030 10,015 30,046 15,023 45,070 22,535 67,606 33,803 101,410 50,705 152,116 76,058 38,029 114,088 57,044 28,522 14,261 42,784 21,392 10,696 5,348 2,674 1,337 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610

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