2,681,642

2 × 919 × 1459

Starting at 2,681,642, the Collatz iteration reaches 1 after 94 steps. The first transition is 1340821; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 919 × 1459

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,029,600

Proper Divisor Sum 1,347,958

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2681617 ← → #2681663

Radix Representation

Decimal	2681642
Binary	1010001110101100101010 (22 bits)
Octal	0o12165452
Hexadecimal	0x28EB2A

Divisor Catalog (8)

1 2 919 1,459 1,838 2,918 1,340,821 2,681,642

Collatz Trajectory (94 steps to reach 1)

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

2,681,642 1,340,821 4,022,464 2,011,232 1,005,616 502,808 251,404 125,702 62,851 188,554 94,277 282,832 141,416 70,708 35,354 17,677 53,032 26,516 13,258 6,629 19,888 9,944 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476

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