How Can We Help?
You are here:
< Back
Natural number
245 (two hundred [and] forty-five) is the natural number following 244 and preceding 246.
Additionally, 245 is:
- a composite number.
- a stella octangula number.
- palindromic in bases 34 (7734) and 48 (5548)[1]
- a Harshad number in bases 7, 9, 11, 15, 31, 35, 36 (and 14 other bases).[2]
- the aliquot sum of any of these numbers: 723, 1195, 2563, 3859,[3] 9259, 10123, 12283, 14659 and 14803[citation needed]
- part of the 97-aliquot tree.[3] The aliquot sequence starting at 10222 is: 10222, 5978,[citation needed] 4624, 4893, 2595, 1581, 723, 245[3], 97, 1, 0[citation needed]
References
- ^ "Double Base Palindrome". GeeksforGeeks. 2017-11-01. Retrieved 2021-09-13.
- ^ "Harshad (Or Niven) Number". GeeksforGeeks. 2016-11-19. Retrieved 2021-09-13.
- ^ a b c Mathar, Richard J. (21 March 2014). "Illustration of Aliquot Sequence Mergers" (PDF). oeis.org. Archived (PDF) from the original on 2 August 2021. Retrieved 2 August 2021.
|
Categories
-
Annuals36
-
Bulbs, Corms & Tubers41
-
Ferns27
-
Fruits3
-
Garden Plants23
-
Grasses26
-
Herb17
-
Insects1
-
Mammals1
-
Midwest Native Plants0
-
Northeast Native Plants112
-
Perennials123
-
Rose1
-
Shrubs47
-
Trees112
-
Tropical Plants53
-
Upland Birds5
-
Vines18
-
Viola Tricolor1
-
Water Gardening & Plants9
-
Waterfowl0
-
Wetland Birds0
-
Wetland Plants4
-
Wildbirds172
-
Wildflowers1
-
Woodland Plants29
Table of Contents
Recent Comments