2,515,331

7 × 13 × 131 × 211

2,515,331 factors as 7 × 13 × 131 × 211. Its 16 positive divisors give a proper-divisor sum of 618,877, so this integer is deficient. The Collatz stopping time is 112 steps.

Prime Factor Structure

Factorization String 7 × 13 × 131 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,134,208

Proper Divisor Sum 618,877

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #2515321 ← → #2515339

Radix Representation

Decimal	2515331
Binary	1001100110000110000011 (22 bits)
Octal	0o11460603
Hexadecimal	0x266183

Divisor Catalog (16)

1 7 13 91 131 211 917 1,477 1,703 2,743 11,921 19,201 27,641 193,487 359,333 2,515,331

Collatz Trajectory (112 steps to reach 1)

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

2,515,331 7,545,994 3,772,997 11,318,992 5,659,496 2,829,748 1,414,874 707,437 2,122,312 1,061,156 530,578 265,289 795,868 397,934 198,967 596,902 298,451 895,354 447,677 1,343,032 671,516 335,758 167,879 503,638 251,819 755,458 377,729 1,133,188 566,594 283,297 849,892 424,946 212,473 637,420 318,710 159,355 478,066 239,033 717,100 358,550 179,275 537,826 268,913 806,740 403,370 201,685 605,056 302,528 151,264 75,632 37,816 18,908 9,454 4,727 14,182 7,091 21,274 10,637 31,912 15,956

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