Properties of the Number 20697

Twenty Thousand Six Hundred Ninety-Seven

Basics

Value: 20696 → 20697 → 20698

Parity: odd

Prime: No

Previous Prime: 20693

Next Prime: 20707

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 6899

Divisors: 1, 3, 6899, 20697

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101000011011001

Octal: 50331

Duodecimal: BB89

Hexadecimal: 50d9

Square: 428365809

Square Root: 143.86451960090784

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

Consecutive states of the linear congruential pseudo-random number generator for 16-bit WATFOR/WATFIV when started at 1. A384158

Numbers k such that k and 5·k, taken together, are pandigital. A115925

Let M be the matrix defined in A111490. Sequence gives the sum of the elements of the submatrices (from the upper left element): M(1,1); M(1,1)+M(1,2)+M(1,2)+M(2,2); M(1,1)+M(1,2)+M(1,3)+M(2,1)+M(2,2)+M(2,3)+M(3,1)+M(3,2)+M(3,3), etc. A123326

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[AlnSi96-nO192] starting with a T5 atom. A19162

Number of divisors of A019505(n). A20697