7000 (number)

7000 (seven thousand) is the natural number following 6999 and preceding 7001.

Selected numbers in the range 7001 - 7999

* 7021 - triangular number
* 7043 - Sophie Germain prime
* 7056 - $84^2$
* 7057 - cuban prime of the form x = y + 1
* 7073 - Leyland number
* 7079 - Sophie Germain prime, safe prime
* 7103 - Sophie Germain prime
* 7106 - octahedral number
* 7121 - Sophie Germain prime
* 7140 - triangular number, tetrahedral number
* 7151 - Sophie Germain prime
* 7187 - safe prime
* 7192 - weird number
* 7193 - Sophie Germain prime
* 7200 - pentagonal pyramidal number
* 7211 - Sophie Germain prime
* 7225 - $85^2$, centered octagonal number
* 7230 - $36^2\; +\; 37^2\; +\; 38^2\; +\; 39^2\; +\; 40^2\; =\; 41^2\; +\; 42^2\; +\; 43^2\; +\; 44^2$
* 7246 - centered heptagonal number
* 7247 - safe prime
* 7260 - triangular number
* 7267 - decagonal number
* 7272 - Kaprekar number
* 7291 - nonagonal number
* 7349 - Sophie Germain prime
* 7351 - cuban prime of the form x = y + 1
* 7381 - triangular number
* 7385 - Keith number
* 7396 - $86^2$
* 7433 - Sophie Germain prime
* 7471 - centered cube number
* 7503 - triangular number
* 7523 - balanced prime, safe prime
* 7541 - Sophie Germain prime
* 7559 - safe prime
* 7560 - highly composite number
* 7561 - Markov number
* 7568 - centered heptagonal number
* 7569 - $87^2$, centered octagonal number
* 7583 - balanced prime
* 7607 - safe prime
* 7612 - decagonal number
* 7614 - nonagonal number
* 7626 - triangular number
* 7643 - Sophie Germain prime, safe prime
* 7647 - Keith number
* 7649 - Sophie Germain prime
* 7691 - Sophie Germain prime
* 7703 - safe prime
* 7714 - square pyramidal number
* 7727 - safe prime
* 7750 - triangular number
* 7770 - tetrahedral number
* 7744 - $88^2$, square nialpdrome not ending in 0
* 7776 - $6^5$
* 7777 - Kaprekar number
* 7810 - ISO 7810 is the ISO's standard for credit and debit cards
* 7823 - Sophie Germain prime, safe prime, balanced prime
* 7825 - magic constant of "n"×"n" normal magic square and n-Queens Problem for n = 25.
* 7841 - Sophie Germain prime, balanced prime
* 7875 - triangular number
* 7883 - Sophie Germain prime
* 7897 - centered heptagonal number
* 7901 - Sophie Germain prime
* 7909 - Keith number
* 7912 - weird number
* 7920 - the order of the Mathieu group M<sub>11, the smallest sporadic simple group
* 7921 - $89^2$, centered octagonal number
* 7944 - nonagonal number
* 7957 - super-Poulet number
* 7965 - decagonal number
* 7979 - highly cototient number</sub>