Properties of the Number 21296

Twenty-One Thousand Two Hundred Ninety-Six

Basics

Value: 21295 → 21296 → 21297

Parity: even

Prime: No

Previous Prime: 21283

Next Prime: 21313

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 11 ³

Divisors: 1, 2, 4, 8, 11, 16, 22, 44, 88, 121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101001100110000

Octal: 51460

Duodecimal: 103A8

Hexadecimal: 5330

Square: 453519616

Square Root: 145.9314907756376

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

a(n) = 2·n³. A33431

Numbers of the form 2ⁱ * 11^j. A3596

Products of the 4th power of a prime and a distinct prime of power 3 (p⁴*q³). A179666

Numbers whose prime factors are 2 and 11. A33848

Numbers of the form (4ⁱ)*(11^j), with i, j >= 0. A107988

Cubefull numbers that are not prime powers. A372695

Cubefull Achilles numbers. A388293

Number of ways to write n as an ordered sum of 8 primes. A340964

Expansion of g.f. (1 +x²)/((1-x)²*(1 -3·x +2·x² -x³)). A136303

Numbers which are the sum of two positive cubes and divisible by 11. A101852