Integer Profile

1,420,705

5 × 11 × 13 × 1987

Prime factors, divisor sums, positional representations and sequence properties for 1,420,705. The prime factorization is 5 × 11 × 13 × 1987.

Number of positive divisors: 16. Showing the recorded part of the sequence: 124.

DeficientOddComposite

Collatz trajectory (124 steps)

Even: n → n/2; Odd: n → 3n + 1

1,420,7054,262,1162,131,0581,065,5293,196,5881,598,294799,1472,397,4421,198,7213,596,1641,798,082899,0412,697,1241,348,562674,2812,022,8441,011,422505,7111,517,134758,5672,275,7021,137,8513,413,5541,706,7775,120,3322,560,1661,280,0833,840,2501,920,1255,760,3762,880,1881,440,094720,0472,160,1421,080,0713,240,2141,620,1074,860,3222,430,1617,290,4843,645,2421,822,6215,467,8642,733,9321,366,966683,4832,050,4501,025,2253,075,6761,537,838768,9192,306,7581,153,3793,460,1381,730,0695,190,2082,595,1041,297,552648,776324,388

Showing 60 of 60.

Prime factorization

Factorization: 5 × 11 × 13 × 1987
Distinct prime factors: 4
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 16
Divisor sum: 2,003,904
Proper-divisor sum: 583,199
Digit sum: 19
Digital root: 1

Number bases

Decimal: 1420705
Binary: 101011010110110100001 (21 bits)
Octal: 0o5326641
Hexadecimal: 0x15ADA1

Divisor catalog (16)

15111355651437151,9879,93521,85725,831109,285129,155284,1411,420,705

Showing 16 of 16.