1,247,199

3 × 439 × 947

Starting at 1,247,199, the Collatz iteration reaches 1 after 134 steps. The first transition is 3741598; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 439 × 947

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,668,480

Proper Divisor Sum 421,281

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1247189 ← → #1247209

Radix Representation

Decimal	1247199
Binary	100110000011111011111 (21 bits)
Octal	0o4603737
Hexadecimal	0x1307DF

Divisor Catalog (8)

1 3 439 947 1,317 2,841 415,733 1,247,199

Collatz Trajectory (134 steps to reach 1)

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

1,247,199 3,741,598 1,870,799 5,612,398 2,806,199 8,418,598 4,209,299 12,627,898 6,313,949 18,941,848 9,470,924 4,735,462 2,367,731 7,103,194 3,551,597 10,654,792 5,327,396 2,663,698 1,331,849 3,995,548 1,997,774 998,887 2,996,662 1,498,331 4,494,994 2,247,497 6,742,492 3,371,246 1,685,623 5,056,870 2,528,435 7,585,306 3,792,653 11,377,960 5,688,980 2,844,490 1,422,245 4,266,736 2,133,368 1,066,684 533,342 266,671 800,014 400,007 1,200,022 600,011 1,800,034 900,017 2,700,052 1,350,026 675,013 2,025,040 1,012,520 506,260 253,130 126,565 379,696 189,848 94,924 47,462

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