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# 112 (number): Wikis

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# Encyclopedia

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### From Wikipedia, the free encyclopedia

112 is the natural number following 111 and preceding 113.

112
Cardinal one hundred [and] twelve
Ordinal 112th
(one hundred [and] twelfth)
Numeral system 112
Factorization $2^4 \cdot 7$
Divisors 1, 2, 4, 7, 8, 14, 16, 28, 56, 112
Roman numeral CXII
Binary 11100002
Octal 1608
Duodecimal 9412
Hexadecimal 7016

## In mathematics

One hundred [and] twelve is an abundant number and a heptagonal number. It is also the sum of six consecutive primes (11 + 13 + 17 + 19 + 23 + 29).

112 is in base 10 both a Harshad number.

## In telephony

The 1-1-2 emergency telephone number:

## In other fields

One hundred [and] twelve is also:

## References

1. ^ Paul Pasles, Benjamin Franklin's numbers: an unsung mathematical odyssey. Princeton: Princeton University Press (2008): 37
• Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 134

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