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Properties of the Number 13146

Thirteen Thousand One Hundred Forty-Six

Basics

Value: 13145 → 13146 → 13147

Parity: even

Prime: No

Previous Prime: 13127

Next Prime: 13147

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 313

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 313, 626

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11001101011010

Octal: 31532

Duodecimal: 7736

Hexadecimal: 335a

Square: 172817316

Square Root: 114.65600725648875

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

Smallest composite that when added to sum of prime factors reaches a prime after n iterations. A50710
T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 1 3 6 or 7. A252157
Numbers with exactly 4 distinct palindromic prime factors. A46402
Indices of record high-points in the sequence of Sprague-Grundy values for Grundy's game. A180120
Numbers n such that A002088(n) < 3n2/π2. A285022
Concatenation of n-th prime and n-th nonprime. A253910
Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,5. A64239
Number of slanted n X 4 (i=1..n) X (j=i..4+i-1) 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, 4 in the lower right corner, and with no element having more than 2 neighbors with the same value. A165378
Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 1 3 6 or 7. A252150
Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 1 3 6 or 7. A252156