Properties of the Number 63898

Sixty-Three Thousand Eight Hundred Ninety-Eight

Basics

Value: 63897 → 63898 → 63899

Parity: even

Prime: No

Previous Prime: 63863

Next Prime: 63901

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 43 × 743

Divisors: 1, 2, 43, 86, 743, 1486, 31949, 63898

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111100110011010

Octal: 174632

Duodecimal: 30B8A

Hexadecimal: f99a

Square: 4082954404

Square Root: 252.78053722547548

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

Integers j not of form 3m+2 such that for any integer k > 0, j·10^k+1 has a divisor in the set { 7, 11, 13, 37 }. A243969

Expansion of ∏_k>=1 ((1 + x^k) / (1 + x^5·k))^k. A285291

Irregular triangle read by rows: T(n,k) is number of sequences of length k over {0,1,...,n-1} containing no two consecutive blocks with the same average, n >= 1, 0 <= k <= A379914(n). A379998

a(n) = sum[i=1,n](i-th prime of Erdős-Selfridge classification i+). Cumulative sums of A101253. A98661

Smallest k > 0 such that k + F_n are all primes, where F_n is the n-th Fermat number. A63898