Properties of the Number -30947

Thirty Thousand Nine Hundred Forty-Seven

Basics

Value: -30948 → -30947 → -30946

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 4421

Divisors: 1, 7, 4421, 30947

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100011100011

Octal: -74343

Duodecimal: -15AAB

Hexadecimal: -78e3

Square: 957716809

Square Root: 175.9175943446249

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

Number of nonempty pairwise coprime subsets of {1,...,n}, where a single number is not considered to be pairwise coprime unless it is equal to 1. A320426

Number of primes of the form x⁴ + 1 less than 10ⁿ. A214452

Numbers k such that k²+k+3 is a palindrome. A27714

a(n) is the number whose base-4 digits are 1 followed by the first n-1 terms of the periodic sequence with initial period 3,2,0. A378502

Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1010-1111-0100 pattern in any orientation. A146635