Properties of the Number 44381

Forty-Four Thousand Three Hundred Eighty-One

Basics

Value: 44380 → 44381 → 44382

Parity: odd

Prime: Yes

Previous Prime: 44371

Next Prime: 44383

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 44381

Divisors: 1, 44381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010110101011101

Octal: 126535

Duodecimal: 21825

Hexadecimal: ad5d

Square: 1969673161

Square Root: 210.66798522794107

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

Primes from merging of 5 successive digits in decimal expansion of the Golden Ratio, (1+sqrt(5))/2. A103809

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A299321

Lower twin primes with lower twin prime index. A88460

Primes of the form 6n² + 5. A201600

Odd primes p such that the area of the triangle with sides p and the next two primes achieves a record for closeness to an integer. A338269

Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A299319

Number of partitions of n not containing 4*(number of parts) as a part. A238492

Number of n X n 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A299315

a(n) = gcd(s1, s2), where s1 is the sum of the odd numbers and s2 is the sum of the even numbers in the Collatz (3x+1)trajectory of n. A277068

a(n+1) = p, where p is the a(n)-th twin prime (p,p+2), with a(0) = 1. A63502