Bo Ryan's abrupt retirement has everyone in college basketball talking. And reflecting on a career that was remarkable. Ryan completely changed the reputation of Wisconsin hoops, and the records/facts/figures he finishes with are astonishing.

Here's a handful of facts regarding the coaching life of William Francis Ryan, Jr.

19015: The zip code for Brookhaven, Pennsylvania, which is where Ryan began his coaching career. He was a history teacher/basketball coach for Brookhaven High in 1972.

747-233: Ryan's career coaching record at the college level.

364: The number of wins Ryan compiled at Wisconsin, the most in school history.

99: The number of wins he was ahead of the No. 2 person on the school's all-time win list, Bud Foster.

25.5: Wisconsin's average win total per season under Ryan from 2001 through the end of last season.

.717: Ryan's win percentage in Big Ten play, which is the best in league history for any coach who served more than six years on a Big Ten sideline.

55: The number of years between Big Ten titles for Wisconsin. Ryan earned a share of it in 2002; the last time Wisconsin could claim the same was in 1947. When Wisconsin took the outright Big Ten title in 2003, it marked the first time that had happened for the Badgers since ... 1923 and 1924. Astounding. 

Fourth or better: The stat that will stick to Ryan's legacy more than any other. In 14 seasons, Ryan never finished worses than fourth in league play. It is unmatched by any other coach in Big Ten history.

14: Wisconsin never missed the NCAAs under Ryan, making 14 straight dances. Dick Bennett comes in at No. 2 in Wisconsin history -- with three dance trips.

9 vs. 25: Before Ryan arrived, Wisconsin had nine NCAA tournament wins to its name. Under Ryan, Wisconsin won 25 times in the sport's ultimate tournament.

22: The number of times Ryan lost at home since 2001. His Badger teams won 91 percent of its games on their home floor.

22: The number of seasons interim Wisconsin coach Greg Gard has spent as Ryan's assistant coach.

9: The number of times Ryan's teams finished in the top six nationally in turnover percentage. His teams almost always were elite at taking care of the ball.

127.9: Ryan's 2014-15 team finished with an offensive rating of 127.9 on KenPom.com. It is by far the most efficient offensive output in a single season by any team since KenPom began tracking that data in 2001.

4: The number of national titles Ryan won while coaching Division III Wisconsin-Platteville. Those titles came in 1991, 1995, 1998 and 1999. Three times in D-III men's basketball history has a team finished a season undefeated. Two of those teams were Ryan's -- the '94-95 and '97-98 squads.

.895: Ryan's win percentage over a 15-year span at Platteville, just an outrageous clip of success.

29: The total number of home games Ryan lost in 29 1/2 seasons of coaching at the college level. He lost fewer than one home game per season.

5: The number of coaches, all time, with a better win percentage than Bo Ryan's .764. There names are Mike Krzyzewski, Adolph Rupp, Jerry Tarkanian, Dean Smith and Roy Williams.

9-17: Bo Ryan's 9-17 season with UW-Platteville in 1984-85 was the only losing season of his career. (Via ESPN)

7: The number of Sweet 16s he made, meaning when Wisconsin went to the tournament under Ryan, it was a 50/50 shot the Badgers were playing in the second weekend.

5: The number of Halls of Fame Ryan is already inducted into, yet the Naismith inclusion still eludes him for now.

47.5: Ryan's 1996-97 Platteville Pioneers held opponents to 47.5 points per game. It remains  D-III record.

59: Wisconsin's 59 points-per-game average since 2001-02 is the lowest for any program in the span. (Via ESPN)

1: Incredible video of Ryan dancing to "Soulja Boy." This was in 2007.