Properties of the Number 36581

Thirty-Six Thousand Five Hundred Eighty-One

Basics

Value: 36580 → 36581 → 36582

Parity: odd

Prime: No

Previous Prime: 36571

Next Prime: 36583

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 157 × 233

Divisors: 1, 157, 233, 36581

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000111011100101

Octal: 107345

Duodecimal: 19205

Hexadecimal: 8ee5

Square: 1338169561

Square Root: 191.26160095534075

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 permutations satisfying i-2<=p(i)<=i+3, i=1..n. A72827

Number of nonnegative integer 4 X 4 matrices with sum of elements equal to n, under row and column permutations. A52366

Numbers n for which A326073(n) is equal to abs(1+A326146(n)). A326074

Numerators of continued fraction convergents to sqrt(302). A41568

Number of (w,x,y) with all terms in {0,...,n} and 2·w >= |x+y-z|. A213397

Odd composite integers m such that U(m)² == 1 (mod m) and V(m) == 6 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=6 and b=-1, respectively. A337629

a(1) = 1, a(2) = 2; a(n) = a(n-a(1)) + a(n-a(2)) + a(n-a(3)) + a(n-a(4)) + ... A141435

Floor(1/{(6+n⁴)^1/4}), where {}=fractional part. A184630

Odd composite integers m such that A085447(m) == 6 (mod m). A338078

Numbers having four 5's in base 9. A43476