Properties of the Number 20613

Twenty Thousand Six Hundred Thirteen

Basics

Value: 20612 → 20613 → 20614

Parity: odd

Prime: No

Previous Prime: 20611

Next Prime: 20627

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 6871

Divisors: 1, 3, 6871, 20613

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101000010000101

Octal: 50205

Duodecimal: BB19

Hexadecimal: 5085

Square: 424895769

Square Root: 143.57228144736015

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

Palindromic numbers in bases 2 and 8 written in base 10. A259380

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 902", based on the 5-celled von Neumann neighborhood. A284358

Triangle of numbers obtained from the partition array A134284. A134285

Numerators of partial sums of a convergent series with value 4, involving scaled Catalan numbers A000108. A119951

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 902", based on the 5-celled von Neumann neighborhood. A284357

Last term where no prime sums occur in A161190 in a 4-diagonal set of 24 terms. A161193

Consecutive states of the linear congruential pseudo-random number generator for 32-bit WATFOR/WATFIV when started at 1. A384159

a(n) = 2nd elementary symmetric function of C(n,0), C(n,1), ..., C(n,[ n/2 ]). A25136

Triangle T, read by rows, such that diagonal n equals column 0 of Tⁿ⁺¹, the (n+1)-th matrix power of T. A98447

Row sums of triangle A098447, in which diagonal n equals column 0 of the (n+1)-th matrix power of A098447. A98448