Properties of the Number -21692

Twenty-One Thousand Six Hundred Ninety-Two

Basics

Value: -21693 → -21692 → -21691

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 11 × 17 × 29

Divisors: 1, 2, 4, 11, 17, 22, 29, 34, 44, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010010111100

Octal: -52274

Duodecimal: -10678

Hexadecimal: -54bc

Square: 470542864

Square Root: 147.2820423541173

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

Greatest positive integer whose reversed (weakly decreasing) prime indices have weighted sum (A318283) equal to n. A359683

Numbers n such that if p=prime(n), then p, p+6, p+12, p+18 are consecutive primes with p=6·k+5 for some k, where prime(n) denotes n-th prime. A90835

Symmetric difference of the primitive non-deficient numbers and the primitive Zumkeller numbers. A378538

Number of partitions of n such that the number of parts having multiplicity >1 is a part and the number of distinct parts is not a part. A241411

Numbers that are primitive Zumkeller, but not primitive non-deficient. A378657

Maximum number of disjoint subgraphs of the Fibonacci cube γ(n) that are isomorphic to the hypercube of dimension k, summed over all k. A278137

Numbers n such that 207·2ⁿ-1 is prime. A50855

Number of compositions (ordered partitions) of n into distinct decimal palindromes. A338847