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Properties of the Number -9937

Nine Hundred Thirty-Seven

Basics

Value: -9938 → -9937 → -9936

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 19 × 523

Divisors: 1, 19, 523, 9937

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011011010001

Octal: -23321

Duodecimal: -5901

Hexadecimal: -26d1

Square: 98743969

Square Root: 99.68450230602548

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(0) = 0, a(1) = 1; a(2·n) = a(n), a(2·n+1) = 8·a(n) + a(n+1). A342637
Centered 36-gonal numbers. A195316
Fundamental discriminants d uniquely characterizing all complex biquadratic fields Q(sqrt(-3),sqrt(d)) which have 3-class group of type (3,3) and second 3-class group isomorphic to SmallGroup(729,95). A250239
Tricapped prism numbers. A5920
Numbers n such that the decimal expansions of both n and n2 have 3 as the digit with the smallest value and 9 as the digit with the largest value. A238553
Numbers k such that (2·k)!/k!-1 is prime. A112853
Lucky numbers with size of gaps equal to 20 (lower terms). A31902
Nonprime numbers with all divisors with additive digital root of 1. A211822
Composites in base 10 that remain composite in exactly five bases b, 2 <= b <= 10, expansions interpreted as decimal numbers. A256353
Semiprimes k = pq such that pk == p (mod k) and qk == q (mod k). A294169