6,571,251

3² × 730139

Starting at 6,571,251, the Collatz iteration reaches 1 after 196 steps. The first transition is 19713754; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 730139

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 9,491,820

Proper Divisor Sum 2,920,569

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #6571249 ← → #6571259

Radix Representation

Decimal	6571251
Binary	11001000100010011110011 (23 bits)
Octal	0o31042363
Hexadecimal	0x6444F3

Divisor Catalog (6)

1 3 9 730,139 2,190,417 6,571,251

Collatz Trajectory (196 steps to reach 1)

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

6,571,251 19,713,754 9,856,877 29,570,632 14,785,316 7,392,658 3,696,329 11,088,988 5,544,494 2,772,247 8,316,742 4,158,371 12,475,114 6,237,557 18,712,672 9,356,336 4,678,168 2,339,084 1,169,542 584,771 1,754,314 877,157 2,631,472 1,315,736 657,868 328,934 164,467 493,402 246,701 740,104 370,052 185,026 92,513 277,540 138,770 69,385 208,156 104,078 52,039 156,118 78,059 234,178 117,089 351,268 175,634 87,817 263,452 131,726 65,863 197,590 98,795 296,386 148,193 444,580 222,290 111,145 333,436 166,718 83,359 250,078

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