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Atlas › Integer Profiles › Node 2,191,985

2,191,985

5 × 199 × 2203
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 199 × 2203
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,644,800
Proper Divisor Sum 452,815
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #2191967 ← → #2191993

Radix Representation

Decimal 2191985
Binary 1000010111001001110001 (22 bits)
Octal 0o10271161
Hexadecimal 0x217271

Divisor Catalog (8)

1 5 199 995 2,203 11,015 438,397 2,191,985

Collatz Trajectory (73 steps to reach 1)

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

2,191,985 6,575,956 3,287,978 1,643,989 4,931,968 2,465,984 1,232,992 616,496 308,248 154,124 77,062 38,531 115,594 57,797 173,392 86,696 43,348 21,674 10,837 32,512 16,256 8,128 4,064 2,032 1,016 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11

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