Properties of the Number 15109

Fifteen Thousand One Hundred Nine

Basics

Value: 15108 → 15109 → 15110

Parity: odd

Prime: No

Previous Prime: 15107

Next Prime: 15121

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 29 × 521

Divisors: 1, 29, 521, 15109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101100000101

Octal: 35405

Duodecimal: 88B1

Hexadecimal: 3b05

Square: 228281881

Square Root: 122.9186723000212

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

Hexanacci numbers: a(n+1) = a(n)+...+a(n-5) with a(0)=...=a(4)=0, a(5)=1. A1592

a(n) = floor(n*φ¹³), where φ is the golden ratio, A001622. A4928

T(n,k) = Half the number of n X k binary arrays with no 3 X 3 submatrix formed with any three rows and columns equal to J-I. A213418

Numbers that are the sum of nine fourth powers in ten or more ways. A345594

Numbers that are the sum of nine fourth powers in exactly ten ways. A345852

Positions of Fibonacci numbers in ordered sequence A160009 of all products of Fibonacci numbers. A272948

Positive numbers y such that y² is of the form x²+(x+521)² with integer x. A160583

First occurrence of run of lucky numbers congruent to 1 mod 4 of exactly length n. A330360

Numbers k such that k² contains only digits {1,2,8}. A53886

If an array is made of columns of -nacci sequences, fibo-, tribo- etc. all starting w. 1,1,2 etc, the NW to SE diagonals can be extended by computation. The above is diagonal 11. See A159741 for details. A159748