Properties of the Number -1447

Four Hundred Forty-Seven

Basics

Value: -1448 → -1447 → -1446

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 1447

Divisors: 1, 1447

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110100111

Octal: -2647

Duodecimal: -A07

Hexadecimal: -5a7

Square: 2093809

Square Root: 38.03945320322047

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

Increasingly larger (in absolute value) extrema of the Mertens function A002321 between subsequent zeros. A304242

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 461", based on the 5-celled von Neumann neighborhood. A272294

Prime-indexed primes: primes with prime subscripts. A6450

Primes p such that p + 4 is also prime. A23200

Primes of the form k² + k + 41. A5846

Primes p such that the decimal expansion of its base-9 conversion is also prime. A65727

Primes whose base-2 representation is also the base-3 representation of a prime. A235266

Primes of the form 7x²+4xy+52y². A140633

Initial members of prime triples (p, p+4, p+6). A22005

a(0) = 1, a(n) = 5·n² + 2 for n>0. A10001