Properties of the Number 49911

Forty-Nine Thousand Nine Hundred Eleven

Basics

Value: 49910 → 49911 → 49912

Parity: odd

Prime: No

Previous Prime: 49891

Next Prime: 49919

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 127 × 131

Divisors: 1, 3, 127, 131, 381, 393, 16637, 49911

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001011110111

Octal: 141367

Duodecimal: 24A73

Hexadecimal: c2f7

Square: 2491107921

Square Root: 223.40769906160352

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

a(n) = ∑_d∣n σ(n/d)*d³. A27847

Expansion of g.f. 1/((1-x)*(1-2·x)*(1-8·x)). A16203

Number of rooted trees with n nodes and 3 leaves. A55278

Group the composite numbers so that the sum of the n-th group is a multiple of the n-th prime: (4), (6), (8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22), (24, 25), (26, 27, 28, 30, 32), (33, 34, ...), ... Sequence gives sum of n-th group. A74124

Monotonic ordering of nonnegative differences 4ⁱ-5^j, for 40>= i>=0, j>=0. A192161

Numbers k such that j(k)*φ(k) = σ(φ(k)), j(k) = A033831(k). A33856

Number of length 4 arrays x(i), i=1..4 with x(i) in i..i+n and no value appearing more than 2 times. A250353

Number of partitions of n with rank 4 or higher (the rank of a partition is the largest part minus the number of parts). A363231

Number of (n+2)X(1+2) 0..1 arrays x(i,j) with every row sum{j·x(i,j), j=1..1+2} equal, and every column sum{i·x(i,j), i=1..n+2} equal, with upper left element zero. A232648

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 2 and a(3) = 3. A49911