Properties of the Number 99199

Ninety-Nine Thousand One Hundred Ninety-Nine

Basics

Value: 99198 → 99199 → 99200

Parity: odd

Prime: No

Previous Prime: 99191

Next Prime: 99223

Digit Sum: 37

Digital Root: 1

Palindrome: Yes

Factorization: 19 × 23 × 227

Divisors: 1, 19, 23, 227, 437, 4313, 5221, 99199

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001101111111

Octal: 301577

Duodecimal: 494A7

Hexadecimal: 1837f

Square: 9840441601

Square Root: 314.9587274548842

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

a(n) = 10^2·n+1 - 1 - 8·10ⁿ. A332191

Palindromes n such that n and n² have same digit sum. A58852

Palindromic numbers which are sum of consecutive squares. A180436

Palindromic numbers which can be written as the sum of two or more consecutive squares. A216446

Quasi-Carmichael numbers to base 9: squarefree composites n such that (n,2·3*5·7) = 1 and prime p∣n ==> p-9∣n-9. A29554

Numbers n which in decimal have the form imj, where m is the middle digit, with property that j is the reversal of i, and i = m·j. A82945

Palindromes that cannot be expressed as the difference of two palindromes. A83142

a(n) = 62·n² - 1. A158680

Numbers having four 9's in base 10. A43528

Terms of A083393 such that the sum of the factorials of the digits is prime. A83394