λ
Sequence Observatory

6,930,545

5 × 53 × 26153
Deficient Odd Composite

Starting at 6,930,545, the Collatz iteration reaches 1 after 147 steps. The first transition is 20791636; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 53 × 26153
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,473,896
Proper Divisor Sum 1,543,351
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #6930541 ← → #6930551

Radix Representation

Decimal 6930545
Binary 11010011100000001110001 (23 bits)
Octal 0o32340161
Hexadecimal 0x69C071

Divisor Catalog (8)

1 5 53 265 26,153 130,765 1,386,109 6,930,545

Collatz Trajectory (147 steps to reach 1)

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

6,930,545 20,791,636 10,395,818 5,197,909 15,593,728 7,796,864 3,898,432 1,949,216 974,608 487,304 243,652 121,826 60,913 182,740 91,370 45,685 137,056 68,528 34,264 17,132 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206

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