Properties of the Number 23898

Twenty-Three Thousand Eight Hundred Ninety-Eight

Basics

Value: 23897 → 23898 → 23899

Parity: even

Prime: No

Previous Prime: 23893

Next Prime: 23899

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 569

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 569, 1138

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101110101011010

Octal: 56532

Duodecimal: 119B6

Hexadecimal: 5d5a

Square: 571114404

Square Root: 154.5897797398004

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 ways of writing n as the sum of 7 triangular numbers. A226252

Row sums from A144562. A144640

a(n) = ∑_{i,j,k in Z and i² + j² + k² <= n} i² + j² + k². A14203

Number of length n+3 0..2 arrays with no pair in any consecutive four terms totalling exactly 2. A246473

Numbers k such that prime(k+1)² == prime(k)² (mod k). A67783

Number of n X 6 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X 6 array. A220030

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTT = ZSM-23 Nan[AlnSi24-nO48] starting with a T1 atom. A19186

Numbers k such that R_k+2 - 10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256912

Numbers whose divisor balance is an integer. A23898

Number of (n+2) X 9 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order. A184546