λ
Sequence Observatory

2,936,166

2 × 3 × 489361
Abundant Even Composite

Starting at 2,936,166, the Collatz iteration reaches 1 after 76 steps. The first transition is 1468083; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 489361
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,872,344
Proper Divisor Sum 2,936,178
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #2936161 ← → #2936177

Radix Representation

Decimal 2936166
Binary 1011001100110101100110 (22 bits)
Octal 0o13146546
Hexadecimal 0x2CCD66

Divisor Catalog (8)

1 2 3 6 489,361 978,722 1,468,083 2,936,166

Collatz Trajectory (76 steps to reach 1)

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

2,936,166 1,468,083 4,404,250 2,202,125 6,606,376 3,303,188 1,651,594 825,797 2,477,392 1,238,696 619,348 309,674 154,837 464,512 232,256 116,128 58,064 29,032 14,516 7,258 3,629 10,888 5,444 2,722 1,361 4,084 2,042 1,021 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88

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