Properties of the Number -1425

Four Hundred Twenty-Five

Basics

Value: -1426 → -1425 → -1424

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 19

Divisors: 1, 3, 5, 15, 19, 25, 57, 75, 95, 285

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110010001

Octal: -2621

Duodecimal: -9A9

Hexadecimal: -591

Square: 2030625

Square Root: 37.749172176353746

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

Linear coefficient of the n-th converging polynomial of Weber functions (Erroneous version). A1663

Values of n such that L(19) and N(19) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227522

Triangle read by rows: T(n,k) is the coefficient A_k in the transformation of 1 + x + x² + ... + xⁿ to the polynomial A_k*(x+2k)^k for 0 <= k <= n . A248829

Coefficient [k¹] of Wynn's converging polynomial p_n(k) of Weber functions. A380170

Shifts left when Moebius transformation applied twice. A7551

Table T(r,s) read by rows: the coefficient of [k^s] of the Wynn's r-th converging polynomial p_r(k) of Weber functions, 0<=s<=r. A380169

arcsinh(tan(x)+log(x+1)) = 2·x-1/2!*x²-4/3!*x³+18/4!*x⁴+138/5!*x⁵... A12930

Expansion of e.g.f. arcsinh(arctanh(x) + log(x+1)). A13162

Arithmetic derivative of the primorial base exp-function: a(n) = A003415(A276086(n)). A327860

Number of partitions of n into at least two distinct parts. A111133