λ
Sequence Observatory

611,159

43 × 61 × 233
Deficient Odd Composite

Starting at 611,159, the Collatz iteration reaches 1 after 58 steps. The first transition is 1833478; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 43 × 61 × 233
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 638,352
Proper Divisor Sum 27,193
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #611147 ← → #611189

Radix Representation

Decimal 611159
Binary 10010101001101010111 (20 bits)
Octal 0o2251527
Hexadecimal 0x95357

Divisor Catalog (8)

1 43 61 233 2,623 10,019 14,213 611,159

Collatz Trajectory (58 steps to reach 1)

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

611,159 1,833,478 916,739 2,750,218 1,375,109 4,125,328 2,062,664 1,031,332 515,666 257,833 773,500 386,750 193,375 580,126 290,063 870,190 435,095 1,305,286 652,643 1,957,930 978,965 2,936,896 1,468,448 734,224 367,112 183,556 91,778 45,889 137,668 68,834 34,417 103,252 51,626 25,813 77,440 38,720 19,360 9,680 4,840 2,420 1,210 605 1,816 908 454 227 682 341 1,024 512 256 128 64 32 16 8 4 2 1

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