Properties of the Number -383838

Three Hundred Eighty-Three Thousand Eight Hundred Thirty-Eight

Basics

Value: -383839 → -383838 → -383837

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 13 × 19 × 37

Divisors: 1, 2, 3, 6, 7, 13, 14, 19, 21, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1011101101101011110

Octal: -1355536

Duodecimal: -166166

Hexadecimal: -5db5e

Square: 147331610244

Square Root: 619.5466084161869

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

G.f. satisfies: A(x) = (1 + x·A(x)^3/2)⁴. A212073

Numbers whose consecutive digits differ by 5. A48407

Denominators for generalized Bernoulli numbers B[5,j](n), for j=1..4, n >= 0. A288872

Products of 6 distinct primes that are sandwiched between twin prime numbers. A378097

Numbers that are the concatenation of two palindromes and that have exactly two palindromic factors, all with the same number of decimal digits. A355148

a(0) = 1; a(n) = ∑_{k=0..floor((n-1)/5)} a(5·k) * a(n-1-5·k). A386379

Smallest multiple of n using all digits of (n-1) with the same frequency and no others; or 0 if no such number exists. A83959

Denominators of coefficients in expansion of e.g.f. x / (1 + 2·x - exp(x)). A347427

Least positive integer k such that 5ⁿ-1 and kⁿ-1 are relatively prime. A270360

List of numbers k whose consecutive digits increase or decrease by d-1, where d is the number of digits in k. A292439