3,619,905

3 × 5 × 241327

Starting at 3,619,905, the Collatz iteration reaches 1 after 141 steps. The first transition is 10859716; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 5 × 241327

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 5,791,872

Proper Divisor Sum 2,171,967

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #3619883 ← → #3619907

Radix Representation

Decimal	3619905
Binary	1101110011110001000001 (22 bits)
Octal	0o15636101
Hexadecimal	0x373C41

Divisor Catalog (8)

1 3 5 15 241,327 723,981 1,206,635 3,619,905

Collatz Trajectory (141 steps to reach 1)

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

3,619,905 10,859,716 5,429,858 2,714,929 8,144,788 4,072,394 2,036,197 6,108,592 3,054,296 1,527,148 763,574 381,787 1,145,362 572,681 1,718,044 859,022 429,511 1,288,534 644,267 1,932,802 966,401 2,899,204 1,449,602 724,801 2,174,404 1,087,202 543,601 1,630,804 815,402 407,701 1,223,104 611,552 305,776 152,888 76,444 38,222 19,111 57,334 28,667 86,002 43,001 129,004 64,502 32,251 96,754 48,377 145,132 72,566 36,283 108,850 54,425 163,276 81,638 40,819 122,458 61,229 183,688 91,844 45,922 22,961

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