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Properties of the Number 13425

Thirteen Thousand Four Hundred Twenty-Five

Basics

Value: 13424 → 13425 → 13426

Parity: odd

Prime: No

Previous Prime: 13421

Next Prime: 13441

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 2 × 179

Divisors: 1, 3, 5, 15, 25, 75, 179, 537, 895, 2685

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010001110001

Octal: 32161

Duodecimal: 7929

Hexadecimal: 3471

Square: 180230625

Square Root: 115.86630226256467

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

Decimal representation of permutations of lengths 1, 2, 3, ... arranged lexicographically. A30299
Permutations of 12345: Numbers having each of the decimal digits 1,...,5 exactly once, and no other digit. A178475
Fixed points of the function A260529(n) = concatenation of the positions of digits 9, 8,..., 0 in the decimal representation of n, using 1 for the rightmost digit etc., skipping digits which don't occur. A260275
Numbers n which divide A260521(n), the concatenation of the positions of the digits 9, 8, ..., 0 in the decimal representation of n, where positions are counted from the right, and 0 if a given digit does not occur. A260386
a(n) = 10000·log10(n) rounded up. A4230
Concatenation of all the distinct permutations of the first 1, 2, 3, ... (strictly) positive integers, arranged in ascending numerical order. A352991
Denominators of continued fraction convergents to sqrt(251). A41471
Number of permutations in Sn avoiding {bar 1}3425 (i.e., every occurrence of 3425 is contained in an occurrence of a 13425). A137542
Number of ordered triples (w,x,y) with all terms in {-n, ..., -1, 1, ..., n} and 5w + x + y > 0. A211630
List of André permutations of the first kind. A278982