λ
Sequence Observatory

7,889,706

2 × 32 × 11 × 39847
Abundant Even Composite

Starting at 7,889,706, the Collatz iteration reaches 1 after 186 steps. The first transition is 3944853; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 11 × 39847
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 18,648,864
Proper Divisor Sum 10,759,158
Digit Sum / Digital Root 45 (Root: 9)
Adjacent Primes #7889701 ← → #7889723

Radix Representation

Decimal 7889706
Binary 11110000110001100101010 (23 bits)
Octal 0o36061452
Hexadecimal 0x78632A

Divisor Catalog (24)

1 2 3 6 9 11 18 22 33 66 99 198 39,847 79,694 119,541 239,082 358,623 438,317 717,246 876,634 1,314,951 2,629,902 3,944,853 7,889,706

Collatz Trajectory (186 steps to reach 1)

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

7,889,706 3,944,853 11,834,560 5,917,280 2,958,640 1,479,320 739,660 369,830 184,915 554,746 277,373 832,120 416,060 208,030 104,015 312,046 156,023 468,070 234,035 702,106 351,053 1,053,160 526,580 263,290 131,645 394,936 197,468 98,734 49,367 148,102 74,051 222,154 111,077 333,232 166,616 83,308 41,654 20,827 62,482 31,241 93,724 46,862 23,431 70,294 35,147 105,442 52,721 158,164 79,082 39,541 118,624 59,312 29,656 14,828 7,414 3,707 11,122 5,561 16,684 8,342

More profiles

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