Properties of the Number 3812

Three Thousand Eight Hundred Twelve

Basics

Value: 3811 → 3812 → 3813

Parity: even

Prime: No

Previous Prime: 3803

Next Prime: 3821

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 953

Divisors: 1, 2, 4, 953, 1906, 3812

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011100100

Octal: 7344

Duodecimal: 2258

Hexadecimal: ee4

Square: 14531344

Square Root: 61.741396161732524

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) is the solution to the postage stamp problem with 4 denominations and n stamps. A1209

a(n) = floor(n*φ¹⁰), where φ is the golden ratio, A001622. A4925

Numbers n such that n·7ⁿ - 1 is prime. A242200

Number of immersions of oriented circle into unoriented sphere with n double points. A8988

Number of compositions of n into twin primes (i.e., primes that are members of a twin prime pair, like 3, 5, 7, 11, 13, but not 2 or 23). A77608

Number of partitions of n into parts <= 7 with the property that all parts have distinct multiplicities. A211862

Number of times an odious number is encountered when iterating from 2ⁿ⁺¹-2 to (2ⁿ)-2 with the map x -> x - (number of runs in binary representation of x). A255064

a(n) = A065621(n²). A114390

Triangle read by rows: T(n,g) = number of general immersions of a circle with n crossings in a surface of arbitrary genus g (the circle is oriented, the surface is unoriented). A260885

Magic sums of 3 X 3 semimagic squares composed of positive triangular numbers. A269060