Properties of the Number 12620

Twelve Thousand Six Hundred Twenty

Basics

Value: 12619 → 12620 → 12621

Parity: even

Prime: No

Previous Prime: 12619

Next Prime: 12637

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 631

Divisors: 1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000101001100

Octal: 30514

Duodecimal: 7378

Hexadecimal: 314c

Square: 159264400

Square Root: 112.33877335986894

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

Number of totally transitive rooted trees with n nodes. A318185

Numbers whose set of base 5 digits is {0,4}. A97251

T(n,k)=Number of length n arrays x(i), i=1..n with x(i) in i..i+k and no value appearing more than 2 times. A250351

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000101. A260001

Number of fibeven primes (A095080) in range ]2ⁿ,2ⁿ⁺¹]. A95060

Coefficients in the power series A(x) such that: x·A(x)² = ∑_n=-oo..+oo (-1)ⁿ * x^n*(n+1) * A(x)ⁿ. A357222

Number of distinct variances of nonempty subsets of {1, ..., n}. A382383

Potential magic constants of 8 X 8 magic squares composed of consecutive primes. A189188

Number of 1's in n-th term of A006711. A22477

Number of length n arrays x(i), i=1..n with x(i) in i..i+3 and no value appearing more than 2 times. A250346