λ
Sequence Observatory

4,639,641

3 × 1546547
Deficient Odd Composite

Starting at 4,639,641, the Collatz iteration reaches 1 after 162 steps. The first transition is 13918924; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 1546547
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,186,192
Proper Divisor Sum 1,546,551
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #4639633 ← → #4639643

Radix Representation

Decimal 4639641
Binary 10001101100101110011001 (23 bits)
Octal 0o21545631
Hexadecimal 0x46CB99

Divisor Catalog (4)

1 3 1,546,547 4,639,641

Collatz Trajectory (162 steps to reach 1)

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

4,639,641 13,918,924 6,959,462 3,479,731 10,439,194 5,219,597 15,658,792 7,829,396 3,914,698 1,957,349 5,872,048 2,936,024 1,468,012 734,006 367,003 1,101,010 550,505 1,651,516 825,758 412,879 1,238,638 619,319 1,857,958 928,979 2,786,938 1,393,469 4,180,408 2,090,204 1,045,102 522,551 1,567,654 783,827 2,351,482 1,175,741 3,527,224 1,763,612 881,806 440,903 1,322,710 661,355 1,984,066 992,033 2,976,100 1,488,050 744,025 2,232,076 1,116,038 558,019 1,674,058 837,029 2,511,088 1,255,544 627,772 313,886 156,943 470,830 235,415 706,246 353,123 1,059,370

More profiles

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