λ
Sequence Observatory

8,746,399

8746399
Deficient Odd Prime

Starting at 8,746,399, the Collatz iteration reaches 1 after 287 steps. The first transition is 26239198; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 8746399
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 8,746,400
Proper Divisor Sum 1
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #8746391 ← → #8746427

Radix Representation

Decimal 8746399
Binary 100001010111010110011111 (24 bits)
Octal 0o41272637
Hexadecimal 0x85759F

Divisor Catalog (2)

Collatz Trajectory (287 steps to reach 1)

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

8,746,399 26,239,198 13,119,599 39,358,798 19,679,399 59,038,198 29,519,099 88,557,298 44,278,649 132,835,948 66,417,974 33,208,987 99,626,962 49,813,481 149,440,444 74,720,222 37,360,111 112,080,334 56,040,167 168,120,502 84,060,251 252,180,754 126,090,377 378,271,132 189,135,566 94,567,783 283,703,350 141,851,675 425,555,026 212,777,513 638,332,540 319,166,270 159,583,135 478,749,406 239,374,703 718,124,110 359,062,055 1,077,186,166 538,593,083 1,615,779,250 807,889,625 2,423,668,876 1,211,834,438 605,917,219 1,817,751,658 908,875,829 2,726,627,488 1,363,313,744 681,656,872 340,828,436 170,414,218 85,207,109 255,621,328 127,810,664 63,905,332 31,952,666 15,976,333 47,929,000 23,964,500 11,982,250

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