3,870,429

3 × 1290143

Starting at 3,870,429, the Collatz iteration reaches 1 after 185 steps. The first transition is 11611288; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 1290143

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,160,576

Proper Divisor Sum 1,290,147

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #3870413 ← → #3870437

Radix Representation

Decimal	3870429
Binary	1110110000111011011101 (22 bits)
Octal	0o16607335
Hexadecimal	0x3B0EDD

Divisor Catalog (4)

1 3 1,290,143 3,870,429

Collatz Trajectory (185 steps to reach 1)

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

3,870,429 11,611,288 5,805,644 2,902,822 1,451,411 4,354,234 2,177,117 6,531,352 3,265,676 1,632,838 816,419 2,449,258 1,224,629 3,673,888 1,836,944 918,472 459,236 229,618 114,809 344,428 172,214 86,107 258,322 129,161 387,484 193,742 96,871 290,614 145,307 435,922 217,961 653,884 326,942 163,471 490,414 245,207 735,622 367,811 1,103,434 551,717 1,655,152 827,576 413,788 206,894 103,447 310,342 155,171 465,514 232,757 698,272 349,136 174,568 87,284 43,642 21,821 65,464 32,732 16,366 8,183 24,550

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