# 112 (number)

 ← 111 112 113 →
Cardinalone hundred twelve
Ordinal112th
(one hundred twelfth)
Factorization24 × 7
Divisors1, 2, 4, 7, 8, 14, 16, 28, 56, 112
Greek numeralΡΙΒ´
Roman numeralCXII
Binary11100002
Ternary110113
Quaternary13004
Quinary4225
Senary3046
Octal1608
Duodecimal9412
Vigesimal5C20
Base 363436

112 (one hundred [and] twelve) is the natural number following 111 and preceding 113.

## Mathematics

112 is an abundant number, a heptagonal number,[1] and a Harshad number.[2] It is also the sum of six consecutive primes (${\displaystyle 11+13+17+19+23+29}$).

112 is the side of the smallest square that can be tiled with distinct integer-sided squares.

## Telephony

112 (emergency telephone number), used throughout the European Union and various other countries

## References

1. ^ "Sloane's A000566 : Heptagonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-26.
2. ^ "Sloane's A005349 : Niven (or Harshad) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-26.