λ
Sequence Observatory

9,859,805

5 × 257 × 7673
Deficient Odd Composite

Starting at 9,859,805, the Collatz iteration reaches 1 after 194 steps. The first transition is 29579416; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 257 × 7673
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 11,879,352
Proper Divisor Sum 2,019,547
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #9859799 ← → #9859807

Radix Representation

Decimal 9859805
Binary 100101100111001011011101 (24 bits)
Octal 0o45471335
Hexadecimal 0x9672DD

Divisor Catalog (8)

1 5 257 1,285 7,673 38,365 1,971,961 9,859,805

Collatz Trajectory (194 steps to reach 1)

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

9,859,805 29,579,416 14,789,708 7,394,854 3,697,427 11,092,282 5,546,141 16,638,424 8,319,212 4,159,606 2,079,803 6,239,410 3,119,705 9,359,116 4,679,558 2,339,779 7,019,338 3,509,669 10,529,008 5,264,504 2,632,252 1,316,126 658,063 1,974,190 987,095 2,961,286 1,480,643 4,441,930 2,220,965 6,662,896 3,331,448 1,665,724 832,862 416,431 1,249,294 624,647 1,873,942 936,971 2,810,914 1,405,457 4,216,372 2,108,186 1,054,093 3,162,280 1,581,140 790,570 395,285 1,185,856 592,928 296,464 148,232 74,116 37,058 18,529 55,588 27,794 13,897 41,692 20,846 10,423

More profiles

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