λ
Sequence Observatory

6,841,675

52 × 211 × 1297
Deficient Odd Composite

Starting at 6,841,675, the Collatz iteration reaches 1 after 77 steps. The first transition is 20525026; the starting value is odd with 12 positive divisors.

Prime Factor Structure

Factorization String 5^2 × 211 × 1297
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 8,530,456
Proper Divisor Sum 1,688,781
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #6841673 ← → #6841727

Radix Representation

Decimal 6841675
Binary 11010000110010101001011 (23 bits)
Octal 0o32062513
Hexadecimal 0x68654B

Divisor Catalog (12)

1 5 25 211 1,055 1,297 5,275 6,485 32,425 273,667 1,368,335 6,841,675

Collatz Trajectory (77 steps to reach 1)

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

6,841,675 20,525,026 10,262,513 30,787,540 15,393,770 7,696,885 23,090,656 11,545,328 5,772,664 2,886,332 1,443,166 721,583 2,164,750 1,082,375 3,247,126 1,623,563 4,870,690 2,435,345 7,306,036 3,653,018 1,826,509 5,479,528 2,739,764 1,369,882 684,941 2,054,824 1,027,412 513,706 256,853 770,560 385,280 192,640 96,320 48,160 24,080 12,040 6,020 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208

More profiles

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