Properties of the Number 23190

Twenty-Three Thousand One Hundred Ninety

Basics

Value: 23189 → 23190 → 23191

Parity: even

Prime: No

Previous Prime: 23189

Next Prime: 23197

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 773

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 773, 1546

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101101010010110

Octal: 55226

Duodecimal: 11506

Hexadecimal: 5a96

Square: 537776100

Square Root: 152.28263197095066

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

Number of lone-child-avoiding rooted semi-identity trees with n vertices. A331966

Starts of runs of 3 consecutive Pell-Niven numbers (A352320). A352322

Expansion of x·f(-x⁷) * f(-x²¹) / (f(-x) * f(-x³)) where f() is a Ramanujan θ function. A226007

Convolution of natural numbers with (1, p(1), p(2), ... ), where p(k) is the k-th prime. A23538

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 123", based on the 5-celled von Neumann neighborhood. A270212

Numbers whose base-4 representation contains exactly four 1's and four 2's. A45109

Unimodal analog of binomial coefficient, such that A071921(n,m) = a(n+m-1,n) for all (n,m) different from (0,0), arranged in a Pascal-like triangle. A71922

Conjecturally, maximum number of primes in an infinitely-recurring prime pattern of width 2·n-1. A23190

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