Properties of the Number 49901

Forty-Nine Thousand Nine Hundred One

Basics

Value: 49900 → 49901 → 49902

Parity: odd

Prime: No

Previous Prime: 49891

Next Prime: 49919

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 139 × 359

Divisors: 1, 139, 359, 49901

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001011101101

Octal: 141355

Duodecimal: 24A65

Hexadecimal: c2ed

Square: 2490109801

Square Root: 223.3853173330781

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 2^k == 18 (mod k). A128126

Numbers·such that σ(x)-x divides x-1, other than prime powers. A59047

Semiprimes p·q with p < q and 2^p (mod q) == 2^q (mod p). A179839

Numbers n such that there are a, b with abs(σ(a) - σ(b)) = σ(n) - n and a U b = n, where U is decimal concatenation. A239563

Composite numbers which contain their sum of aliquot parts as a substring. A225417

a(0) = 1; a(n) = half of the a(n-1)-th even nontotient number. A71598

Partial sums of A006058. A176527

Numbers·such that x = concatenate(a, b) and φ(a) + φ(b) = σ(x) - x. A254624

Number of (n+1)X(3+1) 0..1 arrays with no element having a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors equal to one. A231801

Composite numbers whose sum of aliquot parts divide the sum of the squares of their aliquot parts. A301482