2,602,981

19 × 136999

2,602,981 factors as 19 × 136999. Its 4 positive divisors give a proper-divisor sum of 137,019, so this integer is deficient. The Collatz stopping time is 187 steps.

Prime Factor Structure

Factorization String 19 × 136999

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,740,000

Proper Divisor Sum 137,019

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #2602973 ← → #2602993

Radix Representation

Decimal	2602981
Binary	1001111011011111100101 (22 bits)
Octal	0o11733745
Hexadecimal	0x27B7E5

Divisor Catalog (4)

1 19 136,999 2,602,981

Collatz Trajectory (187 steps to reach 1)

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

2,602,981 7,808,944 3,904,472 1,952,236 976,118 488,059 1,464,178 732,089 2,196,268 1,098,134 549,067 1,647,202 823,601 2,470,804 1,235,402 617,701 1,853,104 926,552 463,276 231,638 115,819 347,458 173,729 521,188 260,594 130,297 390,892 195,446 97,723 293,170 146,585 439,756 219,878 109,939 329,818 164,909 494,728 247,364 123,682 61,841 185,524 92,762 46,381 139,144 69,572 34,786 17,393 52,180 26,090 13,045 39,136 19,568 9,784 4,892 2,446 1,223 3,670 1,835 5,506 2,753

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