Properties of the Number 42908

Forty-Two Thousand Nine Hundred Eight

Basics

Value: 42907 → 42908 → 42909

Parity: even

Prime: No

Previous Prime: 42901

Next Prime: 42923

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 17 × 631

Divisors: 1, 2, 4, 17, 34, 68, 631, 1262, 2524, 10727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011110011100

Octal: 123634

Duodecimal: 209B8

Hexadecimal: a79c

Square: 1841096464

Square Root: 207.14246305381232

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 7-line partitions of n (i.e., planar partitions of n with at most 7 lines). A225197

Group successively larger prime numbers so that the sum of the n-th group is a multiple of n. Sequence gives the sum for each group. A74128

The number of symmetric positive definite 2 X 2 matrices whose entries are integers of absolute value at most n. A219693

Number of ways to write 2·n as p + 2^k + 5^m with p prime and 2^k + 5^m a product of at most three distinct primes, where k and m are nonnegative integers. A304031

Numerators of continued fraction convergents to sqrt(986). A42908