λ
Prime Ledger

1,521,185

5 × 307 × 991
Deficient Odd Composite

1,521,185 has the prime decomposition 5 × 307 × 991. Its 3 distinct prime factors produce 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 307 × 991
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,833,216
Proper Divisor Sum 312,031
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #1521133 ← → #1521193

Radix Representation

Decimal 1521185
Binary 101110011011000100001 (21 bits)
Octal 0o5633041
Hexadecimal 0x173621

Divisor Catalog (8)

1 5 307 991 1,535 4,955 304,237 1,521,185

Collatz Trajectory (106 steps to reach 1)

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

1,521,185 4,563,556 2,281,778 1,140,889 3,422,668 1,711,334 855,667 2,567,002 1,283,501 3,850,504 1,925,252 962,626 481,313 1,443,940 721,970 360,985 1,082,956 541,478 270,739 812,218 406,109 1,218,328 609,164 304,582 152,291 456,874 228,437 685,312 342,656 171,328 85,664 42,832 21,416 10,708 5,354 2,677 8,032 4,016 2,008 1,004 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619

More profiles

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