λ
Prime Ledger

2,179,164

22 × 3 × 13 × 61 × 229
Abundant Even Composite

2,179,164 has the prime decomposition 2^2 × 3 × 13 × 61 × 229. Its 5 distinct prime factors produce 48 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 13 × 61 × 229
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 5,589,920
Proper Divisor Sum 3,410,756
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #2179153 ← → #2179187

Radix Representation

Decimal 2179164
Binary 1000010100000001011100 (22 bits)
Octal 0o10240134
Hexadecimal 0x21405C

Divisor Catalog (48)

1 2 3 4 6 12 13 26 39 52 61 78 122 156 183 229 244 366 458 687 732 793 916 1,374 1,586 2,379 2,748 2,977 3,172 4,758 5,954 8,931 9,516 11,908 13,969 17,862 27,938 35,724 41,907 55,876 83,814 167,628 181,597 363,194 544,791 726,388 1,089,582 2,179,164

Collatz Trajectory (166 steps to reach 1)

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

2,179,164 1,089,582 544,791 1,634,374 817,187 2,451,562 1,225,781 3,677,344 1,838,672 919,336 459,668 229,834 114,917 344,752 172,376 86,188 43,094 21,547 64,642 32,321 96,964 48,482 24,241 72,724 36,362 18,181 54,544 27,272 13,636 6,818 3,409 10,228 5,114 2,557 7,672 3,836 1,918 959 2,878 1,439 4,318 2,159 6,478 3,239 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841

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