λ
Sequence Observatory

3,749,701

1289 × 2909
Deficient Odd Composite

Starting at 3,749,701, the Collatz iteration reaches 1 after 53 steps. The first transition is 11249104; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 1289 × 2909
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,753,900
Proper Divisor Sum 4,199
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #3749699 ← → #3749761

Radix Representation

Decimal 3749701
Binary 1110010011011101000101 (22 bits)
Octal 0o16233505
Hexadecimal 0x393745

Divisor Catalog (4)

1 1,289 2,909 3,749,701

Collatz Trajectory (53 steps to reach 1)

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

3,749,701 11,249,104 5,624,552 2,812,276 1,406,138 703,069 2,109,208 1,054,604 527,302 263,651 790,954 395,477 1,186,432 593,216 296,608 148,304 74,152 37,076 18,538 9,269 27,808 13,904 6,952 3,476 1,738 869 2,608 1,304 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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