Properties of the Number -1879

Eight Hundred Seventy-Nine

Basics

Value: -1880 → -1879 → -1878

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 1879

Divisors: 1, 1879

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11101010111

Octal: -3527

Duodecimal: -1107

Hexadecimal: -757

Square: 3530641

Square Root: 43.347433603386484

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

Expansion of 1 / (1 + x² - x³) in powers of x. A77961

Expansion of 1/(1+x²+x³). A77962

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 403", based on the 5-celled von Neumann neighborhood. A271810

The Matula-Goebel numbers of the generalized Bethe trees. A generalized Bethe tree is a rooted tree in which vertices at the same level have the same degree. A214577

Numerator of the n-th alternating harmonic number, ∑_k=1..n (-1)^k+1/k. A58313

a(n)-th and (a(n)+1)-st primes are the first pair of primes that differ by exactly 2n; a(n) = -1 if no such pair of primes exists. A38664

Primes of the form x²+Ny², with N=102. A139643

a(n) = prime(n²). A11757

Primes that are palindromic in base 2 (but written here in base 10). A16041

Let i, i+d, i+2d, ..., i+(n-1)d be an n-term arithmetic progression of primes; choose the one which minimizes the last term; then a(n) = last term i+(n-1)d. A5115