70,000
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Cardinal | seventy thousand | |||
Ordinal | 70000th (seventy thousandth) | |||
Factorization | 24 × 54 × 7 | |||
Greek numeral | ||||
Roman numeral | LXX | |||
Binary | 100010001011100002 | |||
Ternary | 101200001213 | |||
Octal | 2105608 | |||
Duodecimal | 3461412 | |||
Hexadecimal | 1117016 |
70,000 (seventy thousand) is the natural number that comes after 69,999 and before 70,001. It is a round number.
Selected numbers in the range 70001–79999[edit]
70001 to 70999[edit]
71000 to 71999[edit]
- 71656 – pentagonal pyramidal number
72000 to 72999[edit]
73000 to 73999[edit]
- 73296 – is the smallest number n, for which n−3, n−2, n−1, n+1, n+2, n+3 are all Sphenic number.
- 73440 = 15 × 16 × 17 × 18
- 73712 – number of n-Queens Problem solutions for n = 13
- 73728 – 3-smooth number
74000 to 74999[edit]
- 74088 = 423
- 74205 – registry number of the USS Defiant on Star Trek: Deep Space Nine
- 74353 – Friedman prime
- 74656 – registry number of the USS Voyager on Star Trek: Voyager
- 74897 – Friedman prime
75000 to 75999[edit]
76000 to 76999[edit]
- 76084 – amicable number with 63020
- 76424 – tetranacci number[4]
77000 to 77999[edit]
- 77777 – repdigit
- 77778 – Kaprekar number[5]
78000 to 78999[edit]
- 78125 = 57
- 78163 – Friedman prime
- 78498 - the amount of primes under 1,000,000 there are
- 78557 – conjectured to be the smallest Sierpiński number
- 78732 – 3-smooth number
79000 to 79999[edit]
- 79507 = 433
References[edit]
- ^ "Sloane's A000045 : Fibonacci numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
- ^ "Sloane's A002559 : Markoff (or Markov) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
- ^ "Sloane's A002997 : Carmichael numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
- ^ "Sloane's A000078 : Tetranacci numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
- ^ "Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.