1,986,592

2⁵ × 62081

Starting at 1,986,592, the Collatz iteration reaches 1 after 91 steps. The first transition is 993296; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^5 × 62081

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,911,166

Proper Divisor Sum 1,924,574

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #1986581 ← → #1986601

Radix Representation

Decimal	1986592
Binary	111100101000000100000 (21 bits)
Octal	0o7450040
Hexadecimal	0x1E5020

Divisor Catalog (12)

1 2 4 8 16 32 62,081 124,162 248,324 496,648 993,296 1,986,592

Collatz Trajectory (91 steps to reach 1)

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

1,986,592 993,296 496,648 248,324 124,162 62,081 186,244 93,122 46,561 139,684 69,842 34,921 104,764 52,382 26,191 78,574 39,287 117,862 58,931 176,794 88,397 265,192 132,596 66,298 33,149 99,448 49,724 24,862 12,431 37,294 18,647 55,942 27,971 83,914 41,957 125,872 62,936 31,468 15,734 7,867 23,602 11,801 35,404 17,702 8,851 26,554 13,277 39,832 19,916 9,958 4,979 14,938 7,469 22,408 11,204 5,602 2,801 8,404 4,202 2,101

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