This nBAB for the number

2019was created on 31 December 2018 (i.e. the day before the first day of year2019).MathBabbler Number Analyst (MBNA) output: ========================================= 2019 is natural, counting, whole, integer 2019 is odd (not even) 2019 is not extremely odd 2019 proper divisors are: 1,3,673, 2019 has 3 proper divisors 2019 is deficient (sum of divisors is 677; ratio: 0.335315) 2019 is happy 2019 is a Squarefree Number 2019 is composite (not prime) 2019 has the prime factors: 3*673 (sum=676) 2019 is semiprime (biprime or 2-almost prime) 2019 is a 673-smooth number 2019 is Recaman number 3715 2019 is a lucky number 2019 digital root is 3 2019 in octal is 03743 2019 in hexadecimal is 0x7e3 2019 in binary is 11111100011 (is evil) 2019 nearest square numbers: -83...6 (1936...2025 [45]) sqrt(2019) = 44.9333 ln(2019) = 7.61036 log(2019) = 3.30514 2019 is an apocalyptic power (2^2019 contains 666) 2019! is inf 2019 is 642.668 Pi years 2019 is 100 score and 19 years 2019 written as a Roman numeral is MMXIX 2019 is 1010^2 - 1009^2 and 1010 + 1009 = 2019 2019 is a multiple of 1 & it contains a 1 (A011531) ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 2019 reciprocal is 0.00049529470034670629024269440316988608221892025755324418028727092620108964834076275383853392768697374938088162456661713719663199603764239722634967805844477464091134224863793957404655770183259039128281327389796929172857850421 remainders: 1,10,100,1000,1924,1069,595,1912,949,1414,7,70,700,943,1354,1426,127,1270,586,1822,49,490,862,544,1402,1906,889,814,64,640,343,1411,1996,1789,1738,1228,166,1660,448,442,382,1801,1858,409,52,520,1162,1525,1117,1075,655,493,892,844,364,1621,58,580,1762,1468,547,1432,187,1870,529,1252,406,22,220,181,1810,1948,1309,976,1684,688,823,154,1540,1267,556,1522,1087,775,1693,778,1723,1078,685,793,1873,559,1552,1387,1756,1408,1966,1489,757,1513,997,1894,769,1633,178,1780,1648,328,1261,496,922,1144,1345,1336,1246,346,1441,277,751,1453,397,1951,1339,1276,646,403,2011,1939,1219,76,760,1543,1297,856,484,802,1963,1459,457,532,1282,706,1003,1954,1369,1576,1627,118,1180,1705,898,904,964,1564,1507,937,1294,826,184,1840,229,271,691,853,454,502,982,1744,1288,766,1603,1897,799,1933,1159,1495,817,94,940,1324,1126,1165,1555,1417,37,370,1681,658,523,1192,1825,79,790,1843,259,571,1672,568,1642,268,661,553,1492,787,1813,1978,1609,1957,1399,1876,589,1852,349,1471,577,1732,1168,1585,1717,1018,85,850,424,202,1

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 31 December 2018

This work is licensed under a Creative Commons Attribution 3.0 United States License.