1,906,980

2² × 3 × 5 × 37 × 859

Starting at 1,906,980, the Collatz iteration reaches 1 after 246 steps. The first transition is 953490; the starting value is even with 48 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 5 × 37 × 859

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 5,490,240

Proper Divisor Sum 3,583,260

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1906969 ← → #1906987

Radix Representation

Decimal	1906980
Binary	111010001100100100100 (21 bits)
Octal	0o7214444
Hexadecimal	0x1D1924

Divisor Catalog (48)

1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 859 1,110 1,718 2,220 2,577 3,436 4,295 5,154 8,590 10,308 12,885 17,180 25,770 31,783 51,540 63,566 95,349 127,132 158,915 190,698 317,830 381,396 476,745 635,660 953,490 1,906,980

Collatz Trajectory (246 steps to reach 1)

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

1,906,980 953,490 476,745 1,430,236 715,118 357,559 1,072,678 536,339 1,609,018 804,509 2,413,528 1,206,764 603,382 301,691 905,074 452,537 1,357,612 678,806 339,403 1,018,210 509,105 1,527,316 763,658 381,829 1,145,488 572,744 286,372 143,186 71,593 214,780 107,390 53,695 161,086 80,543 241,630 120,815 362,446 181,223 543,670 271,835 815,506 407,753 1,223,260 611,630 305,815 917,446 458,723 1,376,170 688,085 2,064,256 1,032,128 516,064 258,032 129,016 64,508 32,254 16,127 48,382 24,191 72,574

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