155,260

2² × 5 × 7 × 1109

155,260 has digital root 1. The neighboring primes are 155251 and 155269; its proper-divisor sum differs from the starting integer by 62,440.

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 1109

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 372,960

Proper Divisor Sum 217,700

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #155251 ← → #155269

Radix Representation

Decimal	155260
Binary	100101111001111100 (18 bits)
Octal	0o457174
Hexadecimal	0x25E7C

Divisor Catalog (24)

1 2 4 5 7 10 14 20 28 35 70 140 1,109 2,218 4,436 5,545 7,763 11,090 15,526 22,180 31,052 38,815 77,630 155,260

Collatz Trajectory (64 steps to reach 1)

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

155,260 77,630 38,815 116,446 58,223 174,670 87,335 262,006 131,003 393,010 196,505 589,516 294,758 147,379 442,138 221,069 663,208 331,604 165,802 82,901 248,704 124,352 62,176 31,088 15,544 7,772 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5

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