1900 (number)
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| Cardinal | one thousand nine hundred | |||
| Ordinal | 1900th (one thousand nine hundredth) | |||
| Factorization | 22 × 52 × 19 | |||
| Divisors | 1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900 | |||
| Greek numeral | ,ΑϠ´ | |||
| Roman numeral | MCM, mcm | |||
| Binary | 111011011002 | |||
| Ternary | 21211013 | |||
| Senary | 124446 | |||
| Octal | 35548 | |||
| Duodecimal | 112412 | |||
| Hexadecimal | 76C16 | |||
1900 (nineteen hundred or one thousand nine hundred) is the natural number following 1899 and preceding 1901.[1]
In mathematics
[edit]1900 is a composite number,[1] a happy number, and a harshad number.[2] It is the third largest palindromic roman numeral[3] (MCM).[1]
See also
[edit]- 1900 - a year
References
[edit]- 1 2 3 Vanovschi, Vitalii. "Properties of the number 1900". www.numberempire.com. Retrieved 2026-09-25.
- ↑ "Number 1900 - Harshad Number, Properties & Facts | NumberWorld". numberworld.info. Retrieved 2026-09-25.
- ↑ Sloane, N. J. A. (ed.). "Sequence A078715 (Palindromic Roman numerals)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2026-09-25.
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