Properties of the Number 49381

Forty-Nine Thousand Three Hundred Eighty-One

Basics

Value: 49380 → 49381 → 49382

Parity: odd

Prime: No

Previous Prime: 49369

Next Prime: 49391

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 19 × 23 × 113

Divisors: 1, 19, 23, 113, 437, 2147, 2599, 49381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100000011100101

Octal: 140345

Duodecimal: 246B1

Hexadecimal: c0e5

Square: 2438483161

Square Root: 222.21836107756712

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

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 4,2,2,0,2 for x=0,1,2,3,4. A197648

Number of not unique partition coefficients of n. A309897

Number of nX3 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,2,2,0,2 for x=0,1,2,3,4. A197643

Number of nX7 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,2,2,0,2 for x=0,1,2,3,4. A197647

Numbers k such that (13·10^k + 197)/3 is prime. A276311

Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UU, HH, DU and DD. A329690

Number of n-celled polytans with holes. A350580

Expansion of (1-25·x)^-3/5. A49381

First number beginning the smallest chain of n consecutive odd divisors, with no even divisor between, of some factorial s!. A218493