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Properties of the Number 42484

Forty-Two Thousand Four Hundred Eighty-Four

Basics

Value: 42483 → 42484 → 42485

Parity: even

Prime: No

Previous Prime: 42473

Next Prime: 42487

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 2 × 13 × 19 × 43

Divisors: 1, 2, 4, 13, 19, 26, 38, 43, 52, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111110100

Octal: 122764

Duodecimal: 20704

Hexadecimal: a5f4

Square: 1804890256

Square Root: 206.11647192788837

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

Numbers k such that k | 12k + 12. A15904
a(n) = binomial(n+2,2) + binomial(n+3,3) + binomial(n+4,4) + binomial(n+5,5). A27659
a(n) is the sum of all symmetric valleys in the set of Catalan words of length n. A371964
Primitive terms of A388271. A388272
a(n) = n*(n2 + 3·n - 2)/2. A256857
a(n) = ∑i=0..n A047060(i,n-i). A47061
Number of nonempty subsets of {1,2,...,n} in which exactly 1/5 of the elements are <= (n-4)/2. A48065
Number of nonempty subsets of {1,2,...,n} in which exactly 1/5 of the elements are <= (n+3)/3. A48087
Slowest increasing sequence beginning with 3 whose digits satisfy the rule d·2. A102255
Wiener index of generalized Fibonacci cube graph Qn(111). A228702