Properties of the Number 16195

Sixteen Thousand One Hundred Ninety-Five

Basics

Value: 16194 → 16195 → 16196

Parity: odd

Prime: No

Previous Prime: 16193

Next Prime: 16217

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 41 × 79

Divisors: 1, 5, 41, 79, 205, 395, 3239, 16195

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11111101000011

Octal: 37503

Duodecimal: 9457

Hexadecimal: 3f43

Square: 262278025

Square Root: 127.25957724273643

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

Numbers k with the property that it is possible to write the base 2 expansion of k as concat(a₂,b₂), with a₂>0 and b₂>0 such that, converting a₂ and b₂ to base 10 as a and b, we have σ(a + b) = σ(k). A258843

Number of partitions p of n such that 2*(number of even numbers in p) < (number of odd numbers in p). A241651

a(1) = 1, a(2) = 2, a(n) = sum of products of previous terms taking n-2 at a time. A61482

Index of 2ⁿ in A280864. A280746

Decimal part of cube root of a(n) starts with 3: first term of runs. A34129

a(n) = (A216363(n) - 1)/118. A216380

Partial sums of 3-almost primes which are again 3-almost primes, i.e., have exactly 3 not necessarily distinct prime factors. A217018

Smallest number·such that σ(x) = σ(x(n)), where x(n) is the n-th arithmetic derivatives of·and·is not equal to x(n). A246774

Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A306170

Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A306171