Properties of the Number 61964

Sixty-One Thousand Nine Hundred Sixty-Four

Basics

Value: 61963 → 61964 → 61965

Parity: even

Prime: No

Previous Prime: 61961

Next Prime: 61967

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7 × 2213

Divisors: 1, 2, 4, 7, 14, 28, 2213, 4426, 8852, 15491

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111001000001100

Octal: 171014

Duodecimal: 2BA38

Hexadecimal: f20c

Square: 3839537296

Square Root: 248.9256917234539

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

Numbers k such that isigma(k) = isigma(k+1), where isigma(k) is the sum of the infinitary divisors of k (A049417). A306985

Number of factorizations of mⁿ into 3 factors, where m is a product of exactly 3 distinct primes and each factor is a product of n primes (counted with multiplicity). A257464

Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 11 (most significant digit on right). A61964

Number of (n+2)X4 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..1 introduced in row major order. A204861