Properties of the Number 19156

Nineteen Thousand One Hundred Fifty-Six

Basics

Value: 19155 → 19156 → 19157

Parity: even

Prime: No

Previous Prime: 19141

Next Prime: 19157

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 4789

Divisors: 1, 2, 4, 4789, 9578, 19156

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101011010100

Octal: 45324

Duodecimal: B104

Hexadecimal: 4ad4

Square: 366952336

Square Root: 138.40520221436765

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 that are the sum of seven fourth powers in six or more ways. A345572

Numbers that are the sum of seven fourth powers in exactly six ways. A345828

Sum of Gaussian binomial coefficients for q=11. A15197

a(1)= 10000, a(2)= 10000; for n>2, a(n)= ( a(n-2) + a(n-1) ) (mod 20000). A96973

Number of subgroups of the group C_n x C_n x C_n x C_n, where C_n is the cyclic group of order n. A280162

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 86 ones. A31854

Smallest number that is the sum of n > 2 consecutive primes and also the sum of n consecutive composites. A391771

Multiplicity of highest weight (or singular) vectors associated with character chi₁₁₄ of Monster module. A34502

Number of partitions of n into parts not of the form 23k, 23k+8 or 23k-8. Also number of partitions with at most 7 parts of size 1 and differences between parts at distance 10 are greater than 1. A35996

Square array read by descending antidiagonals: T(n,k) is the number of subgroups of the elementary abelian group of order A000040(k)ⁿ for n >= 0 and k >= 1. A370887