1,986,173

7 × 47 × 6037

Starting at 1,986,173, the Collatz iteration reaches 1 after 91 steps. The first transition is 5958520; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 7 × 47 × 6037

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,318,592

Proper Divisor Sum 332,419

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1986169 ← → #1986199

Radix Representation

Decimal	1986173
Binary	111100100111001111101 (21 bits)
Octal	0o7447175
Hexadecimal	0x1E4E7D

Divisor Catalog (8)

1 7 47 329 6,037 42,259 283,739 1,986,173

Collatz Trajectory (91 steps to reach 1)

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

1,986,173 5,958,520 2,979,260 1,489,630 744,815 2,234,446 1,117,223 3,351,670 1,675,835 5,027,506 2,513,753 7,541,260 3,770,630 1,885,315 5,655,946 2,827,973 8,483,920 4,241,960 2,120,980 1,060,490 530,245 1,590,736 795,368 397,684 198,842 99,421 298,264 149,132 74,566 37,283 111,850 55,925 167,776 83,888 41,944 20,972 10,486 5,243 15,730 7,865 23,596 11,798 5,899 17,698 8,849 26,548 13,274 6,637 19,912 9,956 4,978 2,489 7,468 3,734 1,867 5,602 2,801 8,404 4,202 2,101

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