Properties of the Number 36561

Thirty-Six Thousand Five Hundred Sixty-One

Basics

Value: 36560 → 36561 → 36562

Parity: odd

Prime: No

Previous Prime: 36559

Next Prime: 36563

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 1741

Divisors: 1, 3, 7, 21, 1741, 5223, 12187, 36561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000111011010001

Octal: 107321

Duodecimal: 191A9

Hexadecimal: 8ed1

Square: 1336706721

Square Root: 191.2093093967969

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

Limit of reversed rows of triangle A126347, in which row sums equal Bell numbers (A000110). A126348

Difference between the sum of next prime(n) natural numbers and the sum of next n primes. A82749

Least positive integer k with prime(k)²-2 and prime(prime(k))²-2 both prime such that prime(k·n)²-2 and prime(prime(k·n))²-2 are all prime. A261281

Number of set partitions of [n] into exactly five blocks such that all odd elements are in blocks with an odd index and all even elements are in blocks with an even index. A274869

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + n·b(n-2), where a(0) = 2, a(1) = 3, b(0) = 1, and (a(n)) and (b(n)) are increasing complementary sequences. A296287

Expansion of 1/((1-x)(1-2x)(1-4x)(1-6x)). A21076

Alkane systems (see Cyvin reference for precise definition). A121186

Nicomachus triangle read by rows, T(n, k) = 2^{n - k}*3^k, for 0 <= k <= n. A36561