11 relations: Harshad number, Hexagonal number, List of numbers, Narcissistic number, Ruth–Aaron pair, St Paul's School, London, Table of divisors, Table of prime factors, 152 (number), 154 (number), 192 (number).

## Harshad number

In recreational mathematics, a harshad number (or Niven number) in a given number base, is an integer that is divisible by the sum of its digits when written in that base.

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## Hexagonal number

A hexagonal number is a figurate number.

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## List of numbers

This is a list of articles about numbers (not about numerals).

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## Narcissistic number

In recreational number theory, a narcissistic number by Scott Moore (also known as a pluperfect digital invariant (PPDI), an Armstrong number (after Michael F. Armstrong) or a plus perfect number) is a number that is the sum of its own digits each raised to the power of the number of digits.

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## Ruth–Aaron pair

In mathematics, a Ruth–Aaron pair consists of two consecutive integers (e.g., 714 and 715) for which the sums of the prime factors of each integer are equal: and There are different variations in the definition, depending on how many times to count primes that appear multiple times in a factorization.

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## St Paul's School, London

St Paul's School is a selective independent school for boys aged 13–18, founded in 1509 by John Colet and located on a 43-acre (180,000m2) site by the River Thames, in Barnes, London.

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## Table of divisors

The tables below list all of the divisors of the numbers 1 to 1000.

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## Table of prime factors

The tables contain the prime factorization of the natural numbers from 1 to 1000.

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## 152 (number)

152 (one hundred fifty-two) is the natural number following 151 and preceding 153.

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## 154 (number)

154 (one hundred fifty-four) is the natural number following 153 and preceding 155.

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## 192 (number)

192 (one hundred ninety-two) is the natural number following 191 and preceding 193.

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## Redirects here:

Number 153, One hundred and fifty-three, One hundred fifty-three.