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Properties of the Number -6425

Four Hundred Twenty-Five

Basics

Value: -6426 → -6425 → -6424

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 2 × 257

Divisors: 1, 5, 25, 257, 1285, 6425

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1100100011001

Octal: -14431

Duodecimal: -3875

Hexadecimal: -1919

Square: 41280625

Square Root: 80.15609770940699

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

Triangle T(n,k) = A015442(k) - A015442(n) + A015442(n-k) read by rows. A176264
Expansion of ∏k>=1 (1 - (x*(1 + x))k). A309575
Number of partitions of n that sorted in increasing order contain a part k in position k for some k. A238395
Triangle T(n,m) of numbers of m-block T0-covers of a labeled n-set, m = 0..2n - 1. A59202
Every suffix prime and no 0 digits in base 9 (written in base 9). A24784
Relative of Hofstadter Q-sequence: a(n) = max(0, n+3201) for n <= 0; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 0. A373236
Numbers k such that continued fraction of (1 + sqrt(k))/2 has period 11. A146335
Number of polynomials ak*xk + ... + a1*x + a0 with k > 0, integer coefficients and only non-multiple positive integer roots and a0 = pn (p is a prime). A248956
Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 331", based on the 5-celled von Neumann neighborhood. A271277
Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 547", based on the 5-celled von Neumann neighborhood. A272838