394,678

2 × 197339

Starting at 394,678, the Collatz iteration reaches 1 after 148 steps. The first transition is 197339; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 197339

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 592,020

Proper Divisor Sum 197,342

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #394673 ← → #394699

Radix Representation

Decimal	394678
Binary	1100000010110110110 (19 bits)
Octal	0o1402666
Hexadecimal	0x605B6

Divisor Catalog (4)

1 2 197,339 394,678

Collatz Trajectory (148 steps to reach 1)

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

394,678 197,339 592,018 296,009 888,028 444,014 222,007 666,022 333,011 999,034 499,517 1,498,552 749,276 374,638 187,319 561,958 280,979 842,938 421,469 1,264,408 632,204 316,102 158,051 474,154 237,077 711,232 355,616 177,808 88,904 44,452 22,226 11,113 33,340 16,670 8,335 25,006 12,503 37,510 18,755 56,266 28,133 84,400 42,200 21,100 10,550 5,275 15,826 7,913 23,740 11,870 5,935 17,806 8,903 26,710 13,355 40,066 20,033 60,100 30,050 15,025

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