λ
Sequence Observatory

744,131

757 × 983
Deficient Odd Composite

Starting at 744,131, the Collatz iteration reaches 1 after 136 steps. The first transition is 2232394; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 757 × 983
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 745,872
Proper Divisor Sum 1,741
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #744127 ← → #744137

Radix Representation

Decimal 744131
Binary 10110101101011000011 (20 bits)
Octal 0o2655303
Hexadecimal 0xB5AC3

Divisor Catalog (4)

1 757 983 744,131

Collatz Trajectory (136 steps to reach 1)

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

744,131 2,232,394 1,116,197 3,348,592 1,674,296 837,148 418,574 209,287 627,862 313,931 941,794 470,897 1,412,692 706,346 353,173 1,059,520 529,760 264,880 132,440 66,220 33,110 16,555 49,666 24,833 74,500 37,250 18,625 55,876 27,938 13,969 41,908 20,954 10,477 31,432 15,716 7,858 3,929 11,788 5,894 2,947 8,842 4,421 13,264 6,632 3,316 1,658 829 2,488 1,244 622 311 934 467 1,402 701 2,104 1,052 526 263 790

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