Properties of the Number -7089

Eighty-Nine

Basics

Value: -7090 → -7089 → -7088

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 17 × 139

Divisors: 1, 3, 17, 51, 139, 417, 2363, 7089

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1101110110001

Octal: -15661

Duodecimal: -4129

Hexadecimal: -1bb1

Square: 50253921

Square Root: 84.19619943916709

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

Coordination sequence for "tea" 3D uniform tiling. A299285

Where 7ⁿ occurs in n-almost-primes, starting at a(0)=1. A78845

Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n}, having exactly k blocks consisting only even entries (0<=k<=floor(n/2)). A124422

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4. A252088

Numbers k where |cos(k)| (or |cosec(k)| or |cot(k)|) decreases monotonically to 0; also numbers k where |tan(k)| (or |sec(k)|, or |sin(k)|) increases. A4112

Numbers k where sin(k) increases monotonically to 1 (or cosec(k) decreases). A46959

Least nontrivial multiple of the n-th prime beginning with 7. A78291

Numbers k such that the decimal number concat(4,k) is a square. A273359

Starting numbers for which the RATS sequence has eventual period 14. A114615

Tricapped prism numbers. A5920