6,687,088

2⁴ × 19 × 21997

Starting at 6,687,088, the Collatz iteration reaches 1 after 178 steps. The first transition is 3343544; the starting value is even with 20 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 19 × 21997

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 13,638,760

Proper Divisor Sum 6,951,672

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #6687077 ← → #6687097

Radix Representation

Decimal	6687088
Binary	11001100000100101110000 (23 bits)
Octal	0o31404560
Hexadecimal	0x660970

Divisor Catalog (20)

Collatz Trajectory (178 steps to reach 1)

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

6,687,088 3,343,544 1,671,772 835,886 417,943 1,253,830 626,915 1,880,746 940,373 2,821,120 1,410,560 705,280 352,640 176,320 88,160 44,080 22,040 11,020 5,510 2,755 8,266 4,133 12,400 6,200 3,100 1,550 775 2,326 1,163 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108

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