Properties of the Number -21316

Twenty-One Thousand Three Hundred Sixteen

Basics

Value: -21317 → -21316 → -21315

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 73 ²

Divisors: 1, 2, 4, 73, 146, 292, 5329, 10658, 21316

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001101000100

Octal: -51504

Duodecimal: -10404

Hexadecimal: -5344

Square: 454371856

Square Root: 146

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

McKay-Thompson series of class 12G for Monster. A58485

a(n) = (5·n + 1)². A16862

Number of integer compositions of n whose leaders of strictly decreasing runs are strictly increasing. A374762

a(n) = (6·n + 2)². A16934

Squares with initial digit '2'. A45785

Natural number that is a factor of its number of "feasible" partition(s). A254437

Squares whose product of digits is also a nonzero square. A53059

T(n,k)=Number of nXk 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1. A204084

Numbers that are the sum of six fourth powers in five or more ways. A345562

Numbers that are the sum of six fourth powers in exactly five ways. A345817