3,828,173

211 × 18143

Starting at 3,828,173, the Collatz iteration reaches 1 after 216 steps. The first transition is 11484520; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 211 × 18143

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,846,528

Proper Divisor Sum 18,355

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #3828169 ← → #3828217

Radix Representation

Decimal	3828173
Binary	1110100110100111001101 (22 bits)
Octal	0o16464715
Hexadecimal	0x3A69CD

Divisor Catalog (4)

1 211 18,143 3,828,173

Collatz Trajectory (216 steps to reach 1)

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

3,828,173 11,484,520 5,742,260 2,871,130 1,435,565 4,306,696 2,153,348 1,076,674 538,337 1,615,012 807,506 403,753 1,211,260 605,630 302,815 908,446 454,223 1,362,670 681,335 2,044,006 1,022,003 3,066,010 1,533,005 4,599,016 2,299,508 1,149,754 574,877 1,724,632 862,316 431,158 215,579 646,738 323,369 970,108 485,054 242,527 727,582 363,791 1,091,374 545,687 1,637,062 818,531 2,455,594 1,227,797 3,683,392 1,841,696 920,848 460,424 230,212 115,106 57,553 172,660 86,330 43,165 129,496 64,748 32,374 16,187 48,562 24,281

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