8,818,621

7 × 1259803

Starting at 8,818,621, the Collatz iteration reaches 1 after 274 steps. The first transition is 26455864; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 1259803

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 10,078,432

Proper Divisor Sum 1,259,811

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #8818571 ← → #8818651

Radix Representation

Decimal	8818621
Binary	100001101000111110111101 (24 bits)
Octal	0o41507675
Hexadecimal	0x868FBD

Divisor Catalog (4)

1 7 1,259,803 8,818,621

Collatz Trajectory (274 steps to reach 1)

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

8,818,621 26,455,864 13,227,932 6,613,966 3,306,983 9,920,950 4,960,475 14,881,426 7,440,713 22,322,140 11,161,070 5,580,535 16,741,606 8,370,803 25,112,410 12,556,205 37,668,616 18,834,308 9,417,154 4,708,577 14,125,732 7,062,866 3,531,433 10,594,300 5,297,150 2,648,575 7,945,726 3,972,863 11,918,590 5,959,295 17,877,886 8,938,943 26,816,830 13,408,415 40,225,246 20,112,623 60,337,870 30,168,935 90,506,806 45,253,403 135,760,210 67,880,105 203,640,316 101,820,158 50,910,079 152,730,238 76,365,119 229,095,358 114,547,679 343,643,038 171,821,519 515,464,558 257,732,279 773,196,838 386,598,419 1,159,795,258 579,897,629 1,739,692,888 869,846,444 434,923,222

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