Properties of the Number 13642

Thirteen Thousand Six Hundred Forty-Two

Basics

Value: 13641 → 13642 → 13643

Parity: even

Prime: No

Previous Prime: 13633

Next Prime: 13649

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 19 × 359

Divisors: 1, 2, 19, 38, 359, 718, 6821, 13642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11010101001010

Octal: 32512

Duodecimal: 7A8A

Hexadecimal: 354a

Square: 186104164

Square Root: 116.79897259822108

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

Sum of 12 nonzero 8th powers. A3390

Numbers which converge to 2592 under repeated application of the powertrain map of A133500. A135384

Numbers k such that k² is palindromic in base 9. A29994

Riordan array (1/(1-xc(2x)),xc(2x)/(1-xc(2x))), c(x) the g.f. of A000108. A110506

Riordan array (1/(1+xc(-2x)), xc(-2x)/(1+xc(-2x))), c(x) the g.f. of A000108. A114189

Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)>1. A212897

Expansion of e.g.f. (1/x) * Series_Reversion( x/(1 + sin(x))² ). A381519

Numbers k such that k + φ(k) + φ(φ(k)) is a repdigit. A116027

Numbers k such that the continued fraction for sqrt(k) has period 2. A13642

Number of (n+2)X(4+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4. A252061