Properties of the Number 21414

Twenty-One Thousand Four Hundred Fourteen

Basics

Value: 21413 → 21414 → 21415

Parity: even

Prime: No

Previous Prime: 21407

Next Prime: 21419

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 43 × 83

Divisors: 1, 2, 3, 6, 43, 83, 86, 129, 166, 249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101001110100110

Octal: 51646

Duodecimal: 10486

Hexadecimal: 53a6

Square: 458559396

Square Root: 146.33523157462798

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

G.f. satisfies A(x) = (1 + x·A(x)²)*(1 + x²*A(x)³). A200075

Number of identity bracelets of n beads of 3 colors. A32240

Maximum second Zagreb index of maximal 3-degenerate graphs with n vertices. A372025

Number of 5-cycles in the n-triangular honeycomb obtuse knight graph. A290391

Sum of squares of digits of n is equal to the largest prime factor of n reversed, where the largest prime factor is not a palindrome. A74303

The even composites c such that c=q·g*j·y and q+g=j·y where q,g,j,y are primes. A167690

Number of nonnegative integer arrays of length 2n+5 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value n+1. A211850

Number of (n+2)X(2+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011. A260761

Numbers having four 3's in base 9. A43468

Intersection of A003052 and A283002. A283003