Properties of the Number -2478

Four Hundred Seventy-Eight

Basics

Value: -2479 → -2478 → -2477

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 59

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 59, 118

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110101110

Octal: -4656

Duodecimal: -1526

Hexadecimal: -9ae

Square: 6140484

Square Root: 49.77951385861457

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+2·x²-x³). A77965

Expansion of 1/(1+2·x²+x³). A77967

a(n) = -n² - n + 72. A110678

Triangle T(n,k) = n!/(n - k)! + n!/k! - n! read by rows, 0 <= k <= n. A177974

Coefficients of Laguerre recursive polynomials with an (n+2)!/2 multiplication factor and α=a0 =0 from Hochstadt: P(x, n) = (2·n + a0 + 1 - x)*P(x, n - 1)/(n + 1) - n·P(x, n - 2)/(n + 1);. A136533

Triangle read by rows: row n lists number of ordered partitions into k parts of partitions of n. A60642

Number of partitions of n into parts >= 6. A185326

Number of partitions of n in which the least part is 6. A26799

a(n) = n*(n+17). A132761

a(n) = 2·n² + n - 7. A100041