Properties of the Number 63646

Sixty-Three Thousand Six Hundred Forty-Six

Basics

Value: 63645 → 63646 → 63647

Parity: even

Prime: No

Previous Prime: 63629

Next Prime: 63647

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 ² × 263

Divisors: 1, 2, 11, 22, 121, 242, 263, 526, 2893, 5786

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111100010011110

Octal: 174236

Duodecimal: 309BA

Hexadecimal: f89e

Square: 4050813316

Square Root: 252.28158870595374

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 permutations of [n] having a shortest ascending run of length 7. A228674

Natural numbers written out with their digits grouped in sets of 5 (leading zeros omitted). A91341

Number of separable partitions of n in which the number of distinct (repeatable) parts is > 3. A325718

Maximum number of minimum pseudo-triangulations of n points in the plane. A63646

a(n) is the least term of the period of the sequence defined by t(1)=n; t(k) = t(k-1)/sod(t(k-1)) if t(k-1) is a multiple of sod(t(k-1)) or t(k-1)*sod(t(k-1)) otherwise, where sod(m)=A007953(m) is the sum of digits of m. A110731