Properties of the Number 45541

Forty-Five Thousand Five Hundred Forty-One

Basics

Value: 45540 → 45541 → 45542

Parity: odd

Prime: Yes

Previous Prime: 45533

Next Prime: 45553

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 45541

Divisors: 1, 45541

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011000111100101

Octal: 130745

Duodecimal: 22431

Hexadecimal: b1e5

Square: 2073982681

Square Root: 213.40337391897066

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

Number of 2 up, 2 down, 2 up, ... permutations of length 2n + 1. A5981

Primes having only {1, 4, 5} as digits. A260268

a(n) = 1 + n*(n+1)*(n-1)/2. A158842

Fundamental discriminants d uniquely characterizing all complex biquadratic fields Q(sqrt(-3),sqrt(d)) which have 3-class group of type (3,3) and second 3-class group isomorphic to either SmallGroup(2187,247)-#1;5 or SmallGroup(2187,247)-#1;9. A250242

The 2-Up sequence: formed from final entries in rows of A058257. A58258

2 up, 2 down, ..., 2 up, 2 down, 2 up permutations of length 4n+3. A131454

Primes p such that the multiplicative order of 2 modulo p is (p-1)/11. A152311

Numbers k such that 51·2^k+1 is prime. A32375

Number of nX3 0..4 arrays with each element equal to the number its horizontal and vertical neighbors equal to 2. A197056

Primes formed by concatenating palindromes having even number of digits with 1. A210534