λ
Sequence Observatory

141,133

107 × 1319
Deficient Odd Composite

Starting at 141,133, the Collatz iteration reaches 1 after 144 steps. The first transition is 423400; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 107 × 1319
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 142,560
Proper Divisor Sum 1,427
Digit Sum / Digital Root 13 (Root: 4)
Adjacent Primes #141131 ← → #141157

Radix Representation

Decimal 141133
Binary 100010011101001101 (18 bits)
Octal 0o423515
Hexadecimal 0x2274D

Divisor Catalog (4)

1 107 1,319 141,133

Collatz Trajectory (144 steps to reach 1)

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

141,133 423,400 211,700 105,850 52,925 158,776 79,388 39,694 19,847 59,542 29,771 89,314 44,657 133,972 66,986 33,493 100,480 50,240 25,120 12,560 6,280 3,140 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155

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