3,427,986

2 × 3 × 571331

Starting at 3,427,986, the Collatz iteration reaches 1 after 239 steps. The first transition is 1713993; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 571331

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 6,855,984

Proper Divisor Sum 3,427,998

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #3427981 ← → #3428021

Radix Representation

Decimal	3427986
Binary	1101000100111010010010 (22 bits)
Octal	0o15047222
Hexadecimal	0x344E92

Divisor Catalog (8)

1 2 3 6 571,331 1,142,662 1,713,993 3,427,986

Collatz Trajectory (239 steps to reach 1)

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

3,427,986 1,713,993 5,141,980 2,570,990 1,285,495 3,856,486 1,928,243 5,784,730 2,892,365 8,677,096 4,338,548 2,169,274 1,084,637 3,253,912 1,626,956 813,478 406,739 1,220,218 610,109 1,830,328 915,164 457,582 228,791 686,374 343,187 1,029,562 514,781 1,544,344 772,172 386,086 193,043 579,130 289,565 868,696 434,348 217,174 108,587 325,762 162,881 488,644 244,322 122,161 366,484 183,242 91,621 274,864 137,432 68,716 34,358 17,179 51,538 25,769 77,308 38,654 19,327 57,982 28,991 86,974 43,487 130,462

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