Properties of the Number 3643

Three Thousand Six Hundred Forty-Three

Basics

Value: 3642 → 3643 → 3644

Parity: odd

Prime: Yes

Previous Prime: 3637

Next Prime: 3659

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 3643

Divisors: 1, 3643

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111000111011

Octal: 7073

Duodecimal: 2137

Hexadecimal: e3b

Square: 13271449

Square Root: 60.35726965329032

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

Numbers that are the sum of 4 positive 5th powers. A3349

Primes from merging of 4 successive digits in decimal expansion of π. A104824

Least k such that ∑_i=1..k (prime(i) + prime(i+2) - 2·prime(i+1)) = 2n + 1. A73051

Growth series for affine Coxeter group B₄. A267167

Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected, a path of 1's from top row to lower right corner, and no 1 having more than two 1's adjacent. A391823

Numbers k such that the k-th maximal run of composite numbers has length different from all prior maximal runs. Sorted positions of first appearances in A176246 (or A046933 shifted). A373400

Primes that are the sum of 7 consecutive primes. A82246

Primes such that the sum of the predecessor and successor primes is divisible by 19. A112804

G.f. satisfies: A(x) = (1 + x*(1-x)*A(x)) * (1 + x²*A(x)). A216604

Lower prime of a pair of consecutive primes having a difference of 16. A31934