Properties of the Number -63

Sixty-Three

Basics

Value: -64 → -63 → -62

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7

Divisors: 1, 3, 7, 9, 21, 63

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111111

Octal: -77

Duodecimal: -53

Hexadecimal: -3f

Square: 3969

Square Root: 7.937253933193772

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(n) = A003961(n) - 2·n. A252748

Triangle read by rows: The n-th derivative of the logistic function written in terms of y, where y = 1/(1 + exp(-x)). A163626

Square array A(n,k), n>=0, k>=0, read by antidiagonals: A(n,k) is the n-th term of the k-th differences of partition numbers A000041. A175804

Triangle of coefficients of Legendre polynomials P_n (x). A8316

a(0)=0; thereafter a(2n) = 2a(n), a(2n+1) = -2a(n) + 1. A65620

a(n) = n - (reversal of digits of n). A56965

Triangle read by rows: terms T(n,k) of a binomial decomposition of 2ⁿ-1 as Sum(k=0..n)T(n,k). A244127

Second differences of consecutive perfect powers (A001597). First differences of A053289. A376559

Triangle of coefficients of normalized Legendre polynomials, with increasing exponents. A100258

Expansion of 1/(1 + x - x³ - x⁴ - x⁸ - x¹² - x¹³ - x¹⁷ - x²¹ - x²² - x²⁶ - x³⁰ - x³¹ + x³³ + x³⁴). A173908