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 –
- 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, also a pronic number and hence 7140/2=3570 is also a 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 – , centered octagonal number
- 7230 –
- 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 –
- 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 – , 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 – , square nialpdrome not ending in 0
- 7776 –
- 7777 – Kaprekar number
- 7810 – ISO/IEC 7810 is the ISO's standard for physical characteristics of identification 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
- 7900 – Awesome number
- 7901 – Sophie Germain prime
- 7909 – Keith number
- 7912 – weird number
- 7920 – the order of the Mathieu group M11, the smallest sporadic simple group
- 7921 – , centered octagonal number
- 7944 – nonagonal number
- 7957 – super-Poulet number
- 7965 – decagonal number
- 7979 – highly cototient number