100,000,000

Selected 9-digit numbers (100,000,001–999,999,999)

100,000,001 to 199,999,999

• 100,000,007 – smallest nine digit prime
• 100,005,153 – smallest triangular number with 9 digits and the 14,142nd triangular number
• 102,334,155 – Fibonacci number
• 105,413,504 – 14⁷
• 107,890,609 – Wedderburn-Etherington number
• 111,111,111 – repunit, square root of 12345678987654321
• 111,111,113 – Chen prime, Sophie Germain prime, cousin prime.
• 123,456,789 – smallest zeroless base 10 pandigital number
• 129,140,163 – 3¹⁷
• 129,644,790 – Catalan number
• 134,217,728 – 2²⁷
• 139,854,276 – the smallest pandigital square
• 142,547,559 – Motzkin number
• 165,580,141 – Fibonacci number
• 167,444,795 – cyclic number in base 6
• 170,859,375 – 15⁷
• 179,424,673 – 10,000,000th prime number
• 190,899,322 – Bell number

  200,000,000 to 299,999,999

• 212,890,625 – 1-automorphic number
• 214,358,881 – 11⁸
• 222,222,222 – repdigit
• 222,222,227 – safe prime
• 223,092,870 – the product of the first nine prime numbers
• 225,058,681 – Pell number
• 225,331,713 – self-descriptive number in base 9
• 232,792,560 – superior highly composite number; colossally abundant number; the smallest number divisible by all the numbers 1 through 22
• 244,140,625 – 5¹²
• 253,450,711 – Wedderburn-Etherington number
• 267,914,296 – Fibonacci number
• 268,402,687 – Carol number
• 268,435,456 – 2²⁸
• 268,468,223 – Kynea number
• 272,400,600 – the number of terms of the harmonic series required to pass 20
• 275,305,224 – the number of magic squares of order 5, excluding rotations and reflections
• 282,475,249 – 7¹⁰

  300,000,000 to 399,999,999

• 333,333,333 – repdigit
• 367,567,200 – colossally abundant number, superior highly composite number
• 381,654,729 – the only polydivisible number that is also a zeroless pandigital number
• 387,420,489 – 3¹⁸, 9⁹ and in tetration notation ²9

  400,000,000 to 499,999,999

• 400,763,223 – Motzkin number
• 410,338,673 – 17⁷
• 429,981,696 – 12⁸
• 433,494,437 – Fibonacci prime
• 442,386,619 – alternating factorial
• 444,444,444 – repdigit
• 477,638,700 – Catalan number
• 479,001,599 – factorial prime
• 479,001,600 – 12!

  500,000,000 to 599,999,999

• 536,870,912 – 2²⁹
• 543,339,720 – Pell number
• 554,999,445 – a Kaprekar constant for digit length 9 in base 10
• 555,555,555 – repdigit
• 596,572,387 – Wedderburn-Etherington number

  600,000,000 to 699,999,999

• 612,220,032 – 18⁷
• 666,666,666 – repdigit
• 644,972,544 – perfect cube, 3-smooth number

  700,000,000 to 799,999,999

• 701,408,733 – Fibonacci number
• 715,827,883 – Wagstaff prime
• 777,777,777 – repdigit
• 787,109,376– 1-automorphic number

  800,000,000 to 899,999,999

• 815,730,721 – 13⁸
• 888,888,888 – repdigit
• 893,871,739 – 19⁷

  900,000,000 to 999,999,999

• 906,150,257 – smallest counterexample to the Polya conjecture
• 987,654,321 – largest zeroless pandigital number
• 999,961,560 – highest triangular number with 9 digits and the 44,720th triangular number
• 999,999,937 – largest 9-digit prime
• 999,999,999 – repdigit