268 (number)

← 267 268 269 →
← 260 261 262 263 264 265 266 267 268 269 → List of numbers ; Integers ; ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	two hundred sixty-eight
Ordinal	268th; (two hundred sixty-eighth)
Factorization	22 × 67
Divisors	1, 2, 4, 67, 134, 268
Greek numeral	ΣΞΗ´
Roman numeral	CCLXVIII, cclxviii
Binary	1000011002
Ternary	1002213
Senary	11246
Octal	4148
Duodecimal	1A412
Hexadecimal	10C16

Last updated January 12, 2025

268 (two hundred [and] sixty-eight) is the natural number following 267 and preceding 269.

In mathematics

268 is an even composite number with two prime factors,^[1] but one of the prime factors is repeated: 268 = 67*2*2.
268 is the smallest number whose product of digits is 6 times the sum of its digits.
268 is untouchable which means that it is not the sum of the proper divisors of any number^[2]
268 is the sum of the consecutive primes 131 and 137.^[3]

Related Research Articles

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36 (thirty-six) is the natural number following 35 and preceding 37.

360 is the natural number following 359 and preceding 361.

306 is the natural number following 305 and preceding 307.

264 is the natural number following 263 and preceding 265.

265 is the natural number following 264 and preceding 266.

285 is the natural number following 284 and preceding 286.

289 is the natural number following 288 and preceding 290.

282 is the natural number following 281 and preceding 283.

267 is the natural number following 266 and preceding 268.

279 is the natural number following 278 and preceding 280.

278 is the natural number following 277 and preceding 279.

284 is the natural number following 283 and preceding 285.

286 is the natural number following 285 and preceding 287.

310 is the natural number following 309 and preceding 311.

304 is the natural number following 303 and preceding 305.

292 is the natural number following 291 and preceding 293.

297 is the natural number following 296 and preceding 298.

301 is the natural number following 300 and preceding 302.

302 is the natural number following 301 and preceding 303.

References

↑ "Facts about the integer". mathworld.wolfram.com.
↑ "Untouchable numbers". mathworld.worfram.com.
↑ "Twin prime numbers". mathworld.wolfram.com.

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[1] "Facts about the integer". mathworld.wolfram.com.

[2] "Untouchable numbers". mathworld.worfram.com.

[3] "Twin prime numbers". mathworld.wolfram.com.

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