Properties of the Number 9874

Nine Thousand Eight Hundred Seventy-Four

Basics

Value: 9873 → 9874 → 9875

Parity: even

Prime: No

Previous Prime: 9871

Next Prime: 9883

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 4937

Divisors: 1, 2, 4937, 9874

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011010010010

Octal: 23222

Duodecimal: 586A

Hexadecimal: 2692

Square: 97495876

Square Root: 99.36800289831733

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

Triangle T, read by rows, where column k of T = column 0 of T^k+1 for k>0, with column 0 of T = column 0 of T⁴ shift right. A138271

Column 1 of triangle A138271; also, column 0 of matrix power A138271². A138273

n written in fractional base 10/9. A24664

Number of partitions of n that do not contain 8 as a part. A27342

5·n binary matrices with 1 unit column up to row and column permutations. A57970

Numbers n such that the decimal expansions of both n and n² have 4 as the digit with the smallest value and 9 as the digit with the largest value. A254072

Values of A038007 not ending in 6 or 8. A38009

The crystallogen sequence (a(n) = A018227(n)-4). A271996

Numbers k such that k²+1, (k+2)²+1 and (k+6)²+1 are prime. A302021

a(1) = 2; for n > 1, a(n) is the least positive number not yet in the sequence such that ∑_k=1..n a(k) divides ∑_k=1..n a(k)². A318358