6,658,992

2⁴ × 3² × 131 × 353

Starting at 6,658,992, the Collatz iteration reaches 1 after 178 steps. The first transition is 3329496; the starting value is even with 60 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 3^2 × 131 × 353

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 60

Divisor Sum (σ) 18,831,384

Proper Divisor Sum 12,172,392

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #6658969 ← → #6658997

Radix Representation

Decimal	6658992
Binary	11001011001101110110000 (23 bits)
Octal	0o31315660
Hexadecimal	0x659BB0

Divisor Catalog (60)

1 2 3 4 6 8 9 12 16 18 24 36 48 72 131 144 262 353 393 524 706 786 1,048 1,059 1,179 1,412 1,572 2,096 2,118 2,358 2,824 3,144 3,177 4,236 4,716 5,648 6,288 6,354 8,472 9,432 12,708 16,944 18,864 25,416 46,243 50,832 92,486 138,729 184,972 277,458 369,944 416,187 554,916 739,888 832,374 1,109,832 1,664,748 2,219,664 3,329,496 6,658,992

Collatz Trajectory (178 steps to reach 1)

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

6,658,992 3,329,496 1,664,748 832,374 416,187 1,248,562 624,281 1,872,844 936,422 468,211 1,404,634 702,317 2,106,952 1,053,476 526,738 263,369 790,108 395,054 197,527 592,582 296,291 888,874 444,437 1,333,312 666,656 333,328 166,664 83,332 41,666 20,833 62,500 31,250 15,625 46,876 23,438 11,719 35,158 17,579 52,738 26,369 79,108 39,554 19,777 59,332 29,666 14,833 44,500 22,250 11,125 33,376 16,688 8,344 4,172 2,086 1,043 3,130 1,565 4,696 2,348 1,174

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