λ
Sequence Observatory

738,449

53 × 13933
Deficient Odd Composite

Starting at 738,449, the Collatz iteration reaches 1 after 180 steps. The first transition is 2215348; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 53 × 13933
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 752,436
Proper Divisor Sum 13,987
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #738443 ← → #738457

Radix Representation

Decimal 738449
Binary 10110100010010010001 (20 bits)
Octal 0o2642221
Hexadecimal 0xB4491

Divisor Catalog (4)

1 53 13,933 738,449

Collatz Trajectory (180 steps to reach 1)

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

738,449 2,215,348 1,107,674 553,837 1,661,512 830,756 415,378 207,689 623,068 311,534 155,767 467,302 233,651 700,954 350,477 1,051,432 525,716 262,858 131,429 394,288 197,144 98,572 49,286 24,643 73,930 36,965 110,896 55,448 27,724 13,862 6,931 20,794 10,397 31,192 15,596 7,798 3,899 11,698 5,849 17,548 8,774 4,387 13,162 6,581 19,744 9,872 4,936 2,468 1,234 617 1,852 926 463 1,390 695 2,086 1,043 3,130 1,565 4,696

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