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Properties of the Number 13139

Thirteen Thousand One Hundred Thirty-Nine

Basics

Value: 13138 → 13139 → 13140

Parity: odd

Prime: No

Previous Prime: 13127

Next Prime: 13147

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 1877

Divisors: 1, 7, 1877, 13139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001101010011

Octal: 31523

Duodecimal: 772B

Hexadecimal: 3353

Square: 172633321

Square Root: 114.62547709824373

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

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 4 6 or 7. A252433
T(n,k)=Number of length n 0..k arrays with each partial sum starting from the beginning no more than sqrt(3) standard deviations from its mean. A244940
Numbers that are the sum of 4 nonzero 4th powers in more than one way. A309763
Numbers that are the sum of four fourth powers in exactly two ways. A344193
Numbers that are the sum of nine fourth powers in nine or more ways. A345593
Numbers that are the sum of nine fourth powers in exactly nine ways. A345851
Numbers k such that 10k + 123456789 is prime. A248349
Limit set for operation of repeatedly replacing a number with the sum of the 4th power of its digits. A113708
a(n) is the sum of all distinct integers that can be produced by reversing the digits of n in any base b >= 2. A211518
Number of length n 0..6 arrays with each partial sum starting from the beginning no more than sqrt(3) standard deviations from its mean. A244938