Properties of the Number 45281

Forty-Five Thousand Two Hundred Eighty-One

Basics

Value: 45280 → 45281 → 45282

Parity: odd

Prime: Yes

Previous Prime: 45263

Next Prime: 45289

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 45281

Divisors: 1, 45281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011000011100001

Octal: 130341

Duodecimal: 22255

Hexadecimal: b0e1

Square: 2050368961

Square Root: 212.79332696304178

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 of the form 2n²+14n+5. A154577

a(n) = 2·a(n-1) + 9·a(n-2), with a(0)=a(1)=1. A2535

Denominators of lower primes-only best approximates (POBAs) to sqrt(2); see Comments. A265773

Smaller of 3 consecutive prime numbers such that p1·p2·p3+d1+d2-1=average of twin prime pairs, d1(δ)=p2-p1,d2(δ)=p3-p2. A153402

The first prime of 8 consecutive primes a, b, c, d, e, f, g, h such that a + g = c + e and b + h = d + f. A292618

a(n) = (a(n-1) + a(n-3))/gcd(a(n-1), a(n-3)) with a(0) =2, a(1) = 3, a(2) = 5. A214331

Primes of the form (p²-2)/7, where p is also a prime number. A165668

Tenth prime p such that (p+n)²+n is prime but (p+j)²+j is not prime for all 0<j<n. A238682

Primes in A002535. A111015

Number of partitions p of n containing ceiling((min(p) + max(p))/2) as a part. A238484