9,989,274

2 × 3 × 71 × 131 × 179

Starting at 9,989,274, the Collatz iteration reaches 1 after 176 steps. The first transition is 4994637; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 71 × 131 × 179

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 20,528,640

Proper Divisor Sum 10,539,366

Digit Sum / Digital Root 48 (Root: 3)

Adjacent Primes #9989267 ← → #9989293

Radix Representation

Decimal	9989274
Binary	100110000110110010011010 (24 bits)
Octal	0o46066232
Hexadecimal	0x986C9A

Divisor Catalog (32)

1 2 3 6 71 131 142 179 213 262 358 393 426 537 786 1,074 9,301 12,709 18,602 23,449 25,418 27,903 38,127 46,898 55,806 70,347 76,254 140,694 1,664,879 3,329,758 4,994,637 9,989,274

Collatz Trajectory (176 steps to reach 1)

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

9,989,274 4,994,637 14,983,912 7,491,956 3,745,978 1,872,989 5,618,968 2,809,484 1,404,742 702,371 2,107,114 1,053,557 3,160,672 1,580,336 790,168 395,084 197,542 98,771 296,314 148,157 444,472 222,236 111,118 55,559 166,678 83,339 250,018 125,009 375,028 187,514 93,757 281,272 140,636 70,318 35,159 105,478 52,739 158,218 79,109 237,328 118,664 59,332 29,666 14,833 44,500 22,250 11,125 33,376 16,688 8,344 4,172 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762

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