λ
Sequence Observatory

9,913,607

11 × 43 × 20959
Deficient Odd Composite

Starting at 9,913,607, the Collatz iteration reaches 1 after 189 steps. The first transition is 29740822; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 11 × 43 × 20959
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 11,066,880
Proper Divisor Sum 1,153,273
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #9913571 ← → #9913609

Radix Representation

Decimal 9913607
Binary 100101110100010100000111 (24 bits)
Octal 0o45642407
Hexadecimal 0x974507

Divisor Catalog (8)

1 11 43 473 20,959 230,549 901,237 9,913,607

Collatz Trajectory (189 steps to reach 1)

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

9,913,607 29,740,822 14,870,411 44,611,234 22,305,617 66,916,852 33,458,426 16,729,213 50,187,640 25,093,820 12,546,910 6,273,455 18,820,366 9,410,183 28,230,550 14,115,275 42,345,826 21,172,913 63,518,740 31,759,370 15,879,685 47,639,056 23,819,528 11,909,764 5,954,882 2,977,441 8,932,324 4,466,162 2,233,081 6,699,244 3,349,622 1,674,811 5,024,434 2,512,217 7,536,652 3,768,326 1,884,163 5,652,490 2,826,245 8,478,736 4,239,368 2,119,684 1,059,842 529,921 1,589,764 794,882 397,441 1,192,324 596,162 298,081 894,244 447,122 223,561 670,684 335,342 167,671 503,014 251,507 754,522 377,261

More profiles

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