Properties of the Number -127643

One Hundred Twenty-Seven Thousand Six Hundred Forty-Three

Basics

Value: -127644 → -127643 → -127642

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 127643

Divisors: 1, 127643

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -11111001010011011

Octal: -371233

Duodecimal: -61A4B

Hexadecimal: -1f29b

Square: 16292735449

Square Root: 357.271605364882

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

Primes prime(k) for which A049076(k) = 4. A49080

Number of fixed points of permutation of SetPartitions under {1,2,...,n}->{n,n-1,...,1}. Number of symmetric arrangements of non-attacking rooks on upper half of n X n chessboard. A80107

Number A(n,k) of length-n restricted growth strings (RGS) with growth <= k and fixed first element; square array A(n,k), n>=0, k>=0, read by antidiagonals. A305962

Bisection of A080107. A80337

Prime numbers with prime indices in A333243. A333244

Balanced primes p of the form (r+q+s-1)/2, where r, q, s are consecutive primes. A129191

Primes p such that continued fraction of (1 + sqrt(p))/2 has period 10 : primes in A146335. A146355

a(n) = 6561·n² - 7732·n + 2278. A157376