Properties of the Number 64714

Sixty-Four Thousand Seven Hundred Fourteen

Basics

Value: 64713 → 64714 → 64715

Parity: even

Prime: No

Previous Prime: 64709

Next Prime: 64717

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 × 19 × 131

Divisors: 1, 2, 13, 19, 26, 38, 131, 247, 262, 494

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111110011001010

Octal: 176312

Duodecimal: 3154A

Hexadecimal: fcca

Square: 4187901796

Square Root: 254.38946519067963

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

9-gonal (or enneagonal) pyramidal numbers: a(n) = n*(n+1)*(7·n-4)/6. A7584

Number of 4-block ordered bicoverings of an unlabeled n-set. A60091

Group the natural numbers such that the n-th group sum is divisible by prime(n): (1, 2, 3), (4, 5), (6, 7, 8, 9), (10, 11), (12, 13, 14, 15, 16, 17, 18, 19, 20, 21), ... Sequence contains the sum of the terms in the n-th group. A86491

Numbers k such that 50·R_k + 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56685

Number of (binary) max-heaps on n elements from the set {0,1} containing exactly ten 0's. A326511

Multiply each term by 3 and erase the rightmost digit of the result: this leaves the sequence unchanged. A365987

Number of n X 4 binary arrays without the pattern 0 1 diagonally or vertically. A188838

Even 9-gonal (nonagonal) pyramidal numbers. A218329

Define q(0)=1, q(1)=1, q(2)=1, q(n)=q(abs(n-q(n-2)))+q(abs(n-q(n-3))) (A063892); then a(0) = 1, a(n)=a(n-1)+2*(q(n)-n/2), n > 0. A64714