Properties of the Number 63929

Sixty-Three Thousand Nine Hundred Twenty-Nine

Basics

Value: 63928 → 63929 → 63930

Parity: odd

Prime: Yes

Previous Prime: 63913

Next Prime: 63949

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 63929

Divisors: 1, 63929

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111100110111001

Octal: 174671

Duodecimal: 30BB5

Hexadecimal: f9b9

Square: 4086917041

Square Root: 252.84184780213894

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

Least prime in A031938 (lesser of primes differing by 20) whose distance to the next 20-twin is 6·n. A52359

a(n) = ∑_i=0..n digsum₆(i)⁴, where digsum₆(i) = A053827(i). A231675

Number of ways to build a contiguous building with n LEGO blocks of size 1 X 3 on top of a fixed block of the same size so that the building is flat, i.e., with all blocks in parallel position and symmetric after a rotation by 180 degrees. A123777

A triangle sequence from a sum: t0(n,m)=(2 + PartitionsQ[n] - PartitionsQ[m] - PartitionsQ[n - m]); t1(n,k)=Sum[(-1)^j *t0[n + 1, j](k + 1 - j)ⁿ, {j, 0, k + 1}]; t(n,m)=If[n == 0, 1, t1(n, k) + t1(n, n - k)]. A156130

Radius of A-excircle of Pythagorean triangle with a = (n+1)² - m², b = 2*(n+1)*m and c = (n+1)² + m². A63929