9,635,990

2 × 5 × 7 × 13 × 10589

Starting at 9,635,990, the Collatz iteration reaches 1 after 163 steps. The first transition is 4817995; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 7 × 13 × 10589

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 21,349,440

Proper Divisor Sum 11,713,450

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #9635981 ← → #9635993

Radix Representation

Decimal	9635990
Binary	100100110000100010010110 (24 bits)
Octal	0o44604226
Hexadecimal	0x930896

Divisor Catalog (32)

1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 10,589 21,178 52,945 74,123 105,890 137,657 148,246 275,314 370,615 688,285 741,230 963,599 1,376,570 1,927,198 4,817,995 9,635,990

Collatz Trajectory (163 steps to reach 1)

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

9,635,990 4,817,995 14,453,986 7,226,993 21,680,980 10,840,490 5,420,245 16,260,736 8,130,368 4,065,184 2,032,592 1,016,296 508,148 254,074 127,037 381,112 190,556 95,278 47,639 142,918 71,459 214,378 107,189 321,568 160,784 80,392 40,196 20,098 10,049 30,148 15,074 7,537 22,612 11,306 5,653 16,960 8,480 4,240 2,120 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286

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