245 (number)

← 244 245 246 →
← 240 241 242 243 244 245 246 247 248 249 → List of numbers; Integers; ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	two hundred forty-five
Ordinal	245th; (two hundred forty-fifth)
Factorization	5 × 72
Greek numeral	ΣΜΕ´
Roman numeral	CCXLV, ccxlv
Binary	111101012
Ternary	1000023
Senary	10456
Octal	3658
Duodecimal	18512
Hexadecimal	F516

The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

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.

[1] "Double Base Palindrome". GeeksforGeeks. 2017-11-01. Retrieved 2021-09-13.

[2] "Harshad (Or Niven) Number". GeeksforGeeks. 2016-11-19. Retrieved 2021-09-13.

[:0-3] 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.

[1]

[2]

[3]