3,581,878

2 × 1790939

Starting at 3,581,878, the Collatz iteration reaches 1 after 203 steps. The first transition is 1790939; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1790939

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,372,820

Proper Divisor Sum 1,790,942

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #3581873 ← → #3581881

Radix Representation

Decimal	3581878
Binary	1101101010011110110110 (22 bits)
Octal	0o15523666
Hexadecimal	0x36A7B6

Divisor Catalog (4)

1 2 1,790,939 3,581,878

Collatz Trajectory (203 steps to reach 1)

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

3,581,878 1,790,939 5,372,818 2,686,409 8,059,228 4,029,614 2,014,807 6,044,422 3,022,211 9,066,634 4,533,317 13,599,952 6,799,976 3,399,988 1,699,994 849,997 2,549,992 1,274,996 637,498 318,749 956,248 478,124 239,062 119,531 358,594 179,297 537,892 268,946 134,473 403,420 201,710 100,855 302,566 151,283 453,850 226,925 680,776 340,388 170,194 85,097 255,292 127,646 63,823 191,470 95,735 287,206 143,603 430,810 215,405 646,216 323,108 161,554 80,777 242,332 121,166 60,583 181,750 90,875 272,626 136,313

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