Properties of the Number 99401

Ninety-Nine Thousand Four Hundred One

Basics

Value: 99400 → 99401 → 99402

Parity: odd

Prime: Yes

Previous Prime: 99397

Next Prime: 99409

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 99401

Divisors: 1, 99401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010001001001

Octal: 302111

Duodecimal: 49635

Hexadecimal: 18449

Square: 9880558801

Square Root: 315.2792413083995

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

Total number of positive integers below 10ⁿ requiring exactly 5 positive biquadrates in their representation as sum of biquadrates. A186655

Reverse digits of largest primes, append to sequence if result is larger prime then previous one with reverse digits. A98922

a(1)=a(2)=a(3)=1. a(n) = reverseDigits(a(n-1)+a(n-2)+a(n-3)) for n>=4. A163550

Primes of the form 5·k² - 4. A201786

Primes using all the square digits {0, 1, 4, 9} and no others. A331346

Reverse digits of largest Chen primes, append to sequence if result is larger Chen prime then previous one with reverse digits. A118496

Number of ways to place zero or more nonadjacent 1,1 2,1 3,1 3,2 4,0 4,1 polyhexes in any orientation on a planar nXnXn triangular grid. A155270

a(1) = 2; a(n+1) is the least prime p not already used such that p-a(n) is not equal to a(k+1)-a(k) for any k < n. A101595

Primes p such that p⁸ - 1 has 384 divisors. A342064

Square root of a(n) contains the n-th Fibonacci number as a string of digits to the immediate right of the decimal point (excluding leading zeros). A99401