λ
Integer Codex

1,813,913

1813913
Deficient Odd Prime

For 1,813,913, the 2 positive divisors have a total of 1,813,914. Removing 1,813,913 leaves 1, which gives the deficient classification.

Prime Factor Structure

Factorization String 1813913
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,813,914
Proper Divisor Sum 1
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1813901 ← → #1813937

Radix Representation

Decimal 1813913
Binary 110111010110110011001 (21 bits)
Octal 0o6726631
Hexadecimal 0x1BAD99

Divisor Catalog (2)

Collatz Trajectory (189 steps to reach 1)

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

1,813,913 5,441,740 2,720,870 1,360,435 4,081,306 2,040,653 6,121,960 3,060,980 1,530,490 765,245 2,295,736 1,147,868 573,934 286,967 860,902 430,451 1,291,354 645,677 1,937,032 968,516 484,258 242,129 726,388 363,194 181,597 544,792 272,396 136,198 68,099 204,298 102,149 306,448 153,224 76,612 38,306 19,153 57,460 28,730 14,365 43,096 21,548 10,774 5,387 16,162 8,081 24,244 12,122 6,061 18,184 9,092 4,546 2,273 6,820 3,410 1,705 5,116 2,558 1,279 3,838 1,919

More profiles

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