Properties of the Number 99100

Ninety-Nine Thousand One Hundred

Basics

Value: 99099 → 99100 → 99101

Parity: even

Prime: No

Previous Prime: 99089

Next Prime: 99103

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 ² × 991

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000001100011100

Octal: 301434

Duodecimal: 49424

Hexadecimal: 1831c

Square: 9820810000

Square Root: 314.80152477394387

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Partition the concatenation 1234567...of natural numbers into successive strings which are even, all different and > 2. (0 never taken as the most significant digit.) A77295

a(n) = n⁵ - n³ + n². A133071

Nontrivial slowest increasing sequence whose succession of digits is that of the nonnegative integers. A98080

Row sums of exponential Riordan array [1+x·tan(x/2),x], A166353. A166354

List the positive integers but erase commas between terms if the digits just before and just after the comma have the same parity. A365822

Concatenation of the decimal digits of n²-1 and n². A215268

Numbers k such that Bernoulli number B_k has denominator 33330. A295589

a(n) = n concatenated with n + 1. A1704

a(n) = Fibonacci(5·n+1). A99100

Least m>0 such that prime(n) divides S(m)=A007908(m)=123...m and all numbers obtained by cyclic permutations of its digits; 0 if no such m exists. A181373