Properties of the Number 13851

Thirteen Thousand Eight Hundred Fifty-One

Basics

Value: 13850 → 13851 → 13852

Parity: odd

Prime: No

Previous Prime: 13841

Next Prime: 13859

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁶ × 19

Divisors: 1, 3, 9, 19, 27, 57, 81, 171, 243, 513

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11011000011011

Octal: 33033

Duodecimal: 8023

Hexadecimal: 361b

Square: 191850201

Square Root: 117.69027147559818

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 n such that n divides 2ⁿ + 1. A6521

Palindromic numbers in bases 2 and 8 written in base 10. A259380

Paradigm shift sequence for (4,5) production scheme with replacement. A246099

Triangle read by rows: T(n, k) = t(n-k, k), where t(0,0) = 1, t(n,m) = 0 if n < 0 or m < 0, else t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), and f(n) = 3·n + 3. A257620

Numbers k such that k² is palindromic in base 8. A29805

Triangle read by rows, 3^k*S₃(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0. A225466

Numbers k such that k | 8^k + 1. A15955

Values of n such that there are exactly 7 solutions to x² - y² = n with x > y >= 0. A257414

Numbers n such that n divides 2ⁿ^2 + 1. A93546

Numbers which are the sum of two positive cubes and divisible by 19. A102619