6,690,940

2² × 5 × 334547

6,690,940 factors as 2^2 × 5 × 334547. Its 12 positive divisors give a proper-divisor sum of 7,360,076, so this integer is abundant. The Collatz stopping time is 209 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 334547

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 14,051,016

Proper Divisor Sum 7,360,076

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #6690923 ← → #6690941

Radix Representation

Decimal	6690940
Binary	11001100001100001111100 (23 bits)
Octal	0o31414174
Hexadecimal	0x66187C

Divisor Catalog (12)

1 2 4 5 10 20 334,547 669,094 1,338,188 1,672,735 3,345,470 6,690,940

Collatz Trajectory (209 steps to reach 1)

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

6,690,940 3,345,470 1,672,735 5,018,206 2,509,103 7,527,310 3,763,655 11,290,966 5,645,483 16,936,450 8,468,225 25,404,676 12,702,338 6,351,169 19,053,508 9,526,754 4,763,377 14,290,132 7,145,066 3,572,533 10,717,600 5,358,800 2,679,400 1,339,700 669,850 334,925 1,004,776 502,388 251,194 125,597 376,792 188,396 94,198 47,099 141,298 70,649 211,948 105,974 52,987 158,962 79,481 238,444 119,222 59,611 178,834 89,417 268,252 134,126 67,063 201,190 100,595 301,786 150,893 452,680 226,340 113,170 56,585 169,756 84,878 42,439

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