Properties of the Number -420394

Four Hundred Twenty Thousand Three Hundred Ninety-Four

Basics

Value: -420395 → -420394 → -420393

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 × 19 × 23 × 37

Divisors: 1, 2, 13, 19, 23, 26, 37, 38, 46, 74

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -1100110101000101010

Octal: -1465052

Duodecimal: -18334A

Hexadecimal: -66a2a

Square: 176731115236

Square Root: 648.3779761836455

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

4-dimensional figurate numbers: a(n) = (5·n-1)*binomial(n+2,3)/4. A2418

Expansion of ∑_k>0 x^2·k/(1+x^k)⁶. A363614

a(n) = C(n) * d(n), where C(n) is the Catalan number and d(n) is the sorting probability of the Catalan poset P_n. A335212

Number of n X 5 binary arrays without the pattern 0 1 diagonally or vertically. A188839