Properties of the Number 49115

Forty-Nine Thousand One Hundred Fifteen

Basics

Value: 49114 → 49115 → 49116

Parity: odd

Prime: No

Previous Prime: 49109

Next Prime: 49117

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 11 × 19 × 47

Divisors: 1, 5, 11, 19, 47, 55, 95, 209, 235, 517

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011111111011011

Octal: 137733

Duodecimal: 2450B

Hexadecimal: bfdb

Square: 2412283225

Square Root: 221.61904250312065

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) = 441·n² - 394·n + 88. A157734

a(n) is the largest k such that the sum of k consecutive reciprocals 1/p_n + ... + 1/p_n+k-1 does not exceed 1 (where p_n = n-th prime). A327600

a(n) is the number of iterations of the Euler φ function needed to reach a power of 2, when starting from n. A49115

The nonnegative integers sorted by increasing width of bounding box when printing their decimal representation using the Arial font, and in case of ties, sorted by increasing value. A316599

Number of (5+1) X (n+1) 0..2 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A253499