λ
Sequence Observatory

7,735,212

22 × 32 × 214867
Abundant Even Composite

Starting at 7,735,212, the Collatz iteration reaches 1 after 217 steps. The first transition is 3867606; the starting value is even with 18 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3^2 × 214867
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 18
Divisor Sum (σ) 19,552,988
Proper Divisor Sum 11,817,776
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #7735193 ← → #7735219

Radix Representation

Decimal 7735212
Binary 11101100000011110101100 (23 bits)
Octal 0o35403654
Hexadecimal 0x7607AC

Divisor Catalog (18)

1 2 3 4 6 9 12 18 36 214,867 429,734 644,601 859,468 1,289,202 1,933,803 2,578,404 3,867,606 7,735,212

Collatz Trajectory (217 steps to reach 1)

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

7,735,212 3,867,606 1,933,803 5,801,410 2,900,705 8,702,116 4,351,058 2,175,529 6,526,588 3,263,294 1,631,647 4,894,942 2,447,471 7,342,414 3,671,207 11,013,622 5,506,811 16,520,434 8,260,217 24,780,652 12,390,326 6,195,163 18,585,490 9,292,745 27,878,236 13,939,118 6,969,559 20,908,678 10,454,339 31,363,018 15,681,509 47,044,528 23,522,264 11,761,132 5,880,566 2,940,283 8,820,850 4,410,425 13,231,276 6,615,638 3,307,819 9,923,458 4,961,729 14,885,188 7,442,594 3,721,297 11,163,892 5,581,946 2,790,973 8,372,920 4,186,460 2,093,230 1,046,615 3,139,846 1,569,923 4,709,770 2,354,885 7,064,656 3,532,328 1,766,164

More profiles

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