Properties of the Number 21412

Twenty-One Thousand Four Hundred Twelve

Basics

Value: 21411 → 21412 → 21413

Parity: even

Prime: No

Previous Prime: 21407

Next Prime: 21419

Digit Sum: 10

Digital Root: 1

Palindrome: Yes

Factorization: 2 ² × 53 × 101

Divisors: 1, 2, 4, 53, 101, 106, 202, 212, 404, 5353

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101001110100100

Octal: 51644

Duodecimal: 10484

Hexadecimal: 53a4

Square: 458473744

Square Root: 146.32839779072276

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

Numbers that are the sum of 3 positive cubes in 3 or more ways. A25398

Numbers that are the sum of 3 positive cubes in exactly 3 ways. A25397

Number of ways to write n as an ordered sum of 6 nonprime numbers. A341483

Numbers that are the sum of seven fourth powers in six or more ways. A345572

Numbers that are the sum of seven fourth powers in exactly six ways. A345828

Numbers that are the sum of 3 distinct positive cubes in 3 or more ways. A25402

Base-10 palindromes that start with 2. A43037

Numbers that are the sum of 3 distinct positive cubes in exactly 3 ways. A25401

Even palindromes in which parity of digits alternates. A30149

Palindromes equal to the sum of a prime number with its index. A115888