3,942,712

2³ × 492839

Starting at 3,942,712, the Collatz iteration reaches 1 after 216 steps. The first transition is 1971356; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 492839

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 7,392,600

Proper Divisor Sum 3,449,888

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #3942677 ← → #3942721

Radix Representation

Decimal	3942712
Binary	1111000010100100111000 (22 bits)
Octal	0o17024470
Hexadecimal	0x3C2938

Divisor Catalog (8)

1 2 4 8 492,839 985,678 1,971,356 3,942,712

Collatz Trajectory (216 steps to reach 1)

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

3,942,712 1,971,356 985,678 492,839 1,478,518 739,259 2,217,778 1,108,889 3,326,668 1,663,334 831,667 2,495,002 1,247,501 3,742,504 1,871,252 935,626 467,813 1,403,440 701,720 350,860 175,430 87,715 263,146 131,573 394,720 197,360 98,680 49,340 24,670 12,335 37,006 18,503 55,510 27,755 83,266 41,633 124,900 62,450 31,225 93,676 46,838 23,419 70,258 35,129 105,388 52,694 26,347 79,042 39,521 118,564 59,282 29,641 88,924 44,462 22,231 66,694 33,347 100,042 50,021 150,064

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