2,172,201

3 × 31 × 23357

2,172,201 factors as 3 × 31 × 23357. Its 8 positive divisors give a proper-divisor sum of 817,623, so this integer is deficient. The Collatz stopping time is 241 steps.

Prime Factor Structure

Factorization String 3 × 31 × 23357

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,989,824

Proper Divisor Sum 817,623

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #2172197 ← → #2172211

Radix Representation

Decimal	2172201
Binary	1000010010010100101001 (22 bits)
Octal	0o10222451
Hexadecimal	0x212529

Divisor Catalog (8)

1 3 31 93 23,357 70,071 724,067 2,172,201

Collatz Trajectory (241 steps to reach 1)

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

2,172,201 6,516,604 3,258,302 1,629,151 4,887,454 2,443,727 7,331,182 3,665,591 10,996,774 5,498,387 16,495,162 8,247,581 24,742,744 12,371,372 6,185,686 3,092,843 9,278,530 4,639,265 13,917,796 6,958,898 3,479,449 10,438,348 5,219,174 2,609,587 7,828,762 3,914,381 11,743,144 5,871,572 2,935,786 1,467,893 4,403,680 2,201,840 1,100,920 550,460 275,230 137,615 412,846 206,423 619,270 309,635 928,906 464,453 1,393,360 696,680 348,340 174,170 87,085 261,256 130,628 65,314 32,657 97,972 48,986 24,493 73,480 36,740 18,370 9,185 27,556 13,778

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