λ
Sequence Observatory

3,747,439

269 × 13931
Deficient Odd Composite

Starting at 3,747,439, the Collatz iteration reaches 1 after 296 steps. The first transition is 11242318; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 269 × 13931
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,761,640
Proper Divisor Sum 14,201
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #3747431 ← → #3747479

Radix Representation

Decimal 3747439
Binary 1110010010111001101111 (22 bits)
Octal 0o16227157
Hexadecimal 0x392E6F

Divisor Catalog (4)

1 269 13,931 3,747,439

Collatz Trajectory (296 steps to reach 1)

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

3,747,439 11,242,318 5,621,159 16,863,478 8,431,739 25,295,218 12,647,609 37,942,828 18,971,414 9,485,707 28,457,122 14,228,561 42,685,684 21,342,842 10,671,421 32,014,264 16,007,132 8,003,566 4,001,783 12,005,350 6,002,675 18,008,026 9,004,013 27,012,040 13,506,020 6,753,010 3,376,505 10,129,516 5,064,758 2,532,379 7,597,138 3,798,569 11,395,708 5,697,854 2,848,927 8,546,782 4,273,391 12,820,174 6,410,087 19,230,262 9,615,131 28,845,394 14,422,697 43,268,092 21,634,046 10,817,023 32,451,070 16,225,535 48,676,606 24,338,303 73,014,910 36,507,455 109,522,366 54,761,183 164,283,550 82,141,775 246,425,326 123,212,663 369,637,990 184,818,995

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