λ
Modular Archive

231,357

3 × 7 × 23 × 479
Deficient Odd Composite

The decimal integer 231,357 is 111000011110111101 in binary (18 bits), 703675 in octal and 387BD in hexadecimal. Its digit sum is 21.

Prime Factor Structure

Factorization String 3 × 7 × 23 × 479
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 368,640
Proper Divisor Sum 137,283
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #231349 ← → #231359

Radix Representation

Decimal 231357
Binary 111000011110111101 (18 bits)
Octal 0o703675
Hexadecimal 0x387BD

Divisor Catalog (16)

1 3 7 21 23 69 161 479 483 1,437 3,353 10,059 11,017 33,051 77,119 231,357

Collatz Trajectory (168 steps to reach 1)

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

231,357 694,072 347,036 173,518 86,759 260,278 130,139 390,418 195,209 585,628 292,814 146,407 439,222 219,611 658,834 329,417 988,252 494,126 247,063 741,190 370,595 1,111,786 555,893 1,667,680 833,840 416,920 208,460 104,230 52,115 156,346 78,173 234,520 117,260 58,630 29,315 87,946 43,973 131,920 65,960 32,980 16,490 8,245 24,736 12,368 6,184 3,092 1,546 773 2,320 1,160 580 290 145 436 218 109 328 164 82 41

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