2,146,958

2 × 11 × 23 × 4243

Starting at 2,146,958, the Collatz iteration reaches 1 after 210 steps. The first transition is 1073479; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 11 × 23 × 4243

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,666,816

Proper Divisor Sum 1,519,858

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #2146939 ← → #2146979

Radix Representation

Decimal	2146958
Binary	1000001100001010001110 (22 bits)
Octal	0o10141216
Hexadecimal	0x20C28E

Divisor Catalog (16)

1 2 11 22 23 46 253 506 4,243 8,486 46,673 93,346 97,589 195,178 1,073,479 2,146,958

Collatz Trajectory (210 steps to reach 1)

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

2,146,958 1,073,479 3,220,438 1,610,219 4,830,658 2,415,329 7,245,988 3,622,994 1,811,497 5,434,492 2,717,246 1,358,623 4,075,870 2,037,935 6,113,806 3,056,903 9,170,710 4,585,355 13,756,066 6,878,033 20,634,100 10,317,050 5,158,525 15,475,576 7,737,788 3,868,894 1,934,447 5,803,342 2,901,671 8,705,014 4,352,507 13,057,522 6,528,761 19,586,284 9,793,142 4,896,571 14,689,714 7,344,857 22,034,572 11,017,286 5,508,643 16,525,930 8,262,965 24,788,896 12,394,448 6,197,224 3,098,612 1,549,306 774,653 2,323,960 1,161,980 580,990 290,495 871,486 435,743 1,307,230 653,615 1,960,846 980,423 2,941,270

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