Properties of the Number 70400

Seventy Thousand Four Hundred

Basics

Value: 70399 → 70400 → 70401

Parity: even

Prime: No

Previous Prime: 70393

Next Prime: 70423

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁸ × 5 ² × 11

Divisors: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001001100000000

Octal: 211400

Duodecimal: 348A8

Hexadecimal: 11300

Square: 4956160000

Square Root: 265.329983228432

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

Negated coefficients of Chebyshev T polynomials: [xⁿ](-T(n+6, x)), n >= 0. A1794

T(n,k)=Number of -k..k arrays x(0..n+2) of n+3 elements with zero sum and nonzero second and third differences. A200204

Triangle of coefficients of Chebyshev polynomials T_2n+1 (x). A84930

Member r=11 of the family of Chebyshev sequences S_r(n) defined in A092184. A98296

a(n) = permanent of the n X n circulant matrix with (row 1) = (F(0), F(1), ..., F(n-1)), where F = A000045 (Fibonacci numbers). A384079

Values of z in positive integer solutions of x² + y⁵ = z³, listed in increasing order of z. A70067

Coefficient table for Chebyshev's U(2·n,x) polynomials in decreasing powers of (1-x²). A127675

a(n) = 2^n-7*(n⁴ - 6·n³ + 59·n² - 54·n)/3. A384506

Expansion of (1-x)/(1-2x-4x²+4x³). A52904

Triangle of coefficients of a certain sequence of polynomials f_n(x) arising in connection with deformations of coordinate rings of type D Kleinian singularities. A97418