139,749

3 × 37 × 1259

The decimal integer 139,749 is 100010000111100101 in binary (18 bits), 420745 in octal and 221E5 in hexadecimal. Its digit sum is 33.

Prime Factor Structure

Factorization String 3 × 37 × 1259

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 191,520

Proper Divisor Sum 51,771

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #139747 ← → #139753

Radix Representation

Decimal	139749
Binary	100010000111100101 (18 bits)
Octal	0o420745
Hexadecimal	0x221E5

Divisor Catalog (8)

1 3 37 111 1,259 3,777 46,583 139,749

Collatz Trajectory (113 steps to reach 1)

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

139,749 419,248 209,624 104,812 52,406 26,203 78,610 39,305 117,916 58,958 29,479 88,438 44,219 132,658 66,329 198,988 99,494 49,747 149,242 74,621 223,864 111,932 55,966 27,983 83,950 41,975 125,926 62,963 188,890 94,445 283,336 141,668 70,834 35,417 106,252 53,126 26,563 79,690 39,845 119,536 59,768 29,884 14,942 7,471 22,414 11,207 33,622 16,811 50,434 25,217 75,652 37,826 18,913 56,740 28,370 14,185 42,556 21,278 10,639 31,918

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