Properties of the Number -88069

Eighty-Eight Thousand Sixty-Nine

Basics

Value: -88070 → -88069 → -88068

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 88069

Divisors: 1, 88069

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101100000000101

Octal: -254005

Duodecimal: -42B71

Hexadecimal: -15805

Square: 7756148761

Square Root: 296.7642161716941

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) = ( 1/1 + 1/3 + 1/5 + ... + 1/(2·n-1) )*LCM(1, 3, 5, ..., 2·n-1). A25550

Numerators of ∑_j=0..n 1/(2·j+1), for n >= 0. A350669

Numerators of coefficients of expansion of arctan(x)² = x² - 2/3·x⁴ + 23/45·x⁶ - 44/105·x⁸ + 563/1575·x¹⁰ - 3254/10395·x¹² + ... A2428

T(j,k) are the numerators u in the representation R = s/t + (2/π)*u/v of the resistance between two nodes separated by the distance vector (j,k) in an infinite square lattice of one-ohm resistors, where T(j,k), j >= 0, 0 <= k <= j, is a triangle read by rows. A355566

Triangle of the numerators of coefficients c(n,k) = [x^k] P(n,x) of some polynomials P(n,x). A141904

Numerators of alternating sum transform (PSumSIGN) of Harmonic numbers H(n) = A001008/A002805. A35048

Numerators of coefficients of log(1+x)/sqrt(1+x). A2549

Sixth term of weak prime sextet: p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1). A54833

Primes that contain all the digits {0,6,8,9} and only these digits. A156200

Cyclops primes with circular digits {0,6,8,9}. A160561