Properties of the Number 13858

Thirteen Thousand Eight Hundred Fifty-Eight

Basics

Value: 13857 → 13858 → 13859

Parity: even

Prime: No

Previous Prime: 13841

Next Prime: 13859

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 13 ² × 41

Divisors: 1, 2, 13, 26, 41, 82, 169, 338, 533, 1066

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11011000100010

Octal: 33042

Duodecimal: 802A

Hexadecimal: 3622

Square: 192044164

Square Root: 117.72000679578642

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

Number of integer partitions of n whose parts have choosable sets of integer partitions. A387328

Triangle read by rows: T(n,m) = number of unlabeled cographs on n nodes with m connected components. A106240

Number of ways to place 2 non-attacking wazirs on an n X n toroidal board. A201236

Expansion of ∑_k>=1 ((1 + k·x^k)^k - 1). A327238

Numbers k such that 6^k - 7 is prime. A217352

Indices of records in A333537. A333538

Numbers k such that k divides the sum of digits in primorial base of all numbers from 1 to k. A333703

Numerators of continued fraction convergents to sqrt(619). A42188

Triangle of coefficients in expansion of enumerators for series-reduced rooted trees by lines at the root. A58735

a(n) = 625n² - 364n + 53. A157621