Cistercian numbers

Enter a number to convert to Cistercian representation.:

$0$	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$
0	1	2	3	4	5	6	7	8	9
	$10$	$20$	$30$	$40$	$50$	$60$	$70$	$80$	$90$
	10	20	30	40	50	60	70	80	90
	$100$	$200$	$300$	$400$	$500$	$600$	$700$	$800$	$900$
	100	200	300	400	500	600	700	800	900
	$1000$	$2000$	$3000$	$4000$	$5000$	$6000$	$7000$	$8000$	$9000$
	1000	2000	3000	4000	5000	6000	7000	8000	9000

In this way, 4 decimal places can be displayed together. You can calculate in the 10000 system.

More examples

$9999$	$1993$	$2021$	$2022$	$4711$	$2012$	$1936$	$1964$	$2014$	$2017$
9999	1993	2021	2022	4711	2012	1936	1964	2014	2017

π	=	$3$	.	$1415$	$9265$	$3589$	$7932$	$3846$	$2643$	$3832$	$7950$	$2884$	$1971$	$6939$	$9375$	$1058$	$2097$	$4944$	$5923$	$0781$	$6406$	$2862$	$0899$	$8628$	$0348$	$2534$	$2117$	$0679$
π	=	3	.	1415	9265	3589	7932	3846	2643	3832	7950	2884	1971	6939	9375	1058	2097	4944	5923	0781	6406	2862	0899	8628	0348	2534	2117	0679

e	=	$2$	.	$7182$	$8182$	$8459$	$0452$	$3536$	$0287$	$4713$	$5266$	$2497$	$7572$	$4709$	$3699$	$9595$	$7496$	$6967$	$6277$	$2407$	$6630$	$3535$	$4759$	$4571$	$3821$	$7852$	$5166$	$4274$
e	=	2	.	7182	8182	8459	0452	3536	0287	4713	5266	2497	7572	4709	3699	9595	7496	6967	6277	2407	6630	3535	4759	4571	3821	7852	5166	4274