Properties of the Number 61948

Sixty-One Thousand Nine Hundred Forty-Eight

Basics

Value: 61947 → 61948 → 61949

Parity: even

Prime: No

Previous Prime: 61933

Next Prime: 61949

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 17 × 911

Divisors: 1, 2, 4, 17, 34, 68, 911, 1822, 3644, 15487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111000111111100

Octal: 170774

Duodecimal: 2BA24

Hexadecimal: f1fc

Square: 3837554704

Square Root: 248.89355154362678

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 partitions of n into parts not of the form 21k, 21k+10 or 21k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 9 are greater than 1. A35988

a(n) = (1/4)*(7·n + 17)*(5·n + 6)*Pochhammer(n, 6) / 6!. A293613

Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 19 (most significant digit on right). A61948