Properties of the Number 36981

Thirty-Six Thousand Nine Hundred Eighty-One

Basics

Value: 36980 → 36981 → 36982

Parity: odd

Prime: No

Previous Prime: 36979

Next Prime: 36997

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 587

Divisors: 1, 3, 7, 9, 21, 63, 587, 1761, 4109, 5283

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001000001110101

Octal: 110165

Duodecimal: 19499

Hexadecimal: 9075

Square: 1367594361

Square Root: 192.30444612644814

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

a(n) = ChebyshevT(3, n). A144129

T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s. A297720

Number of steps to compute n-th prime in PRIMEGAME (slow version). A7547

Number of primes between successive Fibonacci numbers exclusive. A52011

Number of primes between successive Fibonacci numbers inclusive. A76777

a(n) = (n+3)²*n/2 + 1. A154560

a(n) is the number of edges formed by n-secting the angles of a nonagon (enneagon). A335783

Number of primes between successive Fibonacci numbers (including possibly the Fibonacci numbers themselves). A82602

Number of primes p such that Fib(n+1) <= p < Fib(n+2), (where Fib = A000045). A95354

a(n) = 22·n² - 1. A158540