2,671,570

2 × 5 × 11 × 149 × 163

Starting at 2,671,570, the Collatz iteration reaches 1 after 94 steps. The first transition is 1335785; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 11 × 149 × 163

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 5,313,600

Proper Divisor Sum 2,642,030

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #2671561 ← → #2671573

Radix Representation

Decimal	2671570
Binary	1010001100001111010010 (22 bits)
Octal	0o12141722
Hexadecimal	0x28C3D2

Divisor Catalog (32)

1 2 5 10 11 22 55 110 149 163 298 326 745 815 1,490 1,630 1,639 1,793 3,278 3,586 8,195 8,965 16,390 17,930 24,287 48,574 121,435 242,870 267,157 534,314 1,335,785 2,671,570

Collatz Trajectory (94 steps to reach 1)

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

2,671,570 1,335,785 4,007,356 2,003,678 1,001,839 3,005,518 1,502,759 4,508,278 2,254,139 6,762,418 3,381,209 10,143,628 5,071,814 2,535,907 7,607,722 3,803,861 11,411,584 5,705,792 2,852,896 1,426,448 713,224 356,612 178,306 89,153 267,460 133,730 66,865 200,596 100,298 50,149 150,448 75,224 37,612 18,806 9,403 28,210 14,105 42,316 21,158 10,579 31,738 15,869 47,608 23,804 11,902 5,951 17,854 8,927 26,782 13,391 40,174 20,087 60,262 30,131 90,394 45,197 135,592 67,796 33,898 16,949

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