Properties of the Number 3631

Three Thousand Six Hundred Thirty-One

Basics

Value: 3630 → 3631 → 3632

Parity: odd

Prime: Yes

Previous Prime: 3623

Next Prime: 3637

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 3631

Divisors: 1, 3631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111000101111

Octal: 7057

Duodecimal: 2127

Hexadecimal: e2f

Square: 13184161

Square Root: 60.25777958073132

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) = 4·n² - 7·n + 4. A54567

Honaker primes: primes P(k) such that sum of digits of P(k) equals sum of digits of k. A33548

Smallest of three consecutive primes with a difference of 6: primes p such that p+6 and p+12 are the next two primes. A47948

Smallest prime of a triple of successive primes, where the middle one is the arithmetic mean of the other two. A122535

L-toothpick sequence (see Comment lines for definition). A172310

T(n,k) = Number of n X k binary arrays with top left value 1 and no two ones adjacent horizontally, vertically or nw-se diagonally. A228285

Primes such that the sum of the predecessor and successor primes is divisible by 11. A112789

a(n) = floor(π*n²). A66643

Primes p such that (p+4)/5 is also prime. A136061

a(n) is the number of integers k in range [2ⁿ, (2ⁿ⁺¹)-1] such that all terms in finite sequence [k, floor(k/2), floor(k/4), floor(k/8), ..., 1] are squarefree. A293230